[{"observed_at":"2026-10-14 18:57:59.124858+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0MTAwNzQ=","source_instructor_id":"rmp:152262","instructor_name":"Leslie Smith","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-11-30 23:24:17 +0000 UTC","comment":"No Comments","source_url":"https://www.ratemyprofessors.com/professor/152262","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:57:59.124858+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTY0NzM4Ng==","source_instructor_id":"rmp:152262","instructor_name":"Leslie Smith","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-02-27 18:52:00 +0000 UTC","comment":"No Comments","source_url":"https://www.ratemyprofessors.com/professor/152262","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:57:57.054132+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzMTM5MzMy","source_instructor_id":"rmp:289711","instructor_name":"Lev Borisov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-05-09 21:18:02 +0000 UTC","comment":"Borisov is a good guy and an overall good professor. It is obvious that he wants to help his students. However, a lot of material is covered, so he goes through it rather quickly. If you have a good handle on math, you will be fine. Make sure to study; exams are difficult.","source_url":"https://www.ratemyprofessors.com/professor/289711","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2NDA4NTM1","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-05-26 04:31:57 +0000 UTC","comment":"Calculus is not an easy topic but Professor Lindsey made concepts easier to understand for first-time students. She is an engaging lecturer, and I was usually able to follow along and understand what was going on, which I can't say the same for with my other math classes. Great professor, I have her for calc 3 next semester and I'm so glad!","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MzkzNDE2","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-05-23 12:00:13 +0000 UTC","comment":"She is amazing. Her lectures and slides were very well-organized, and she's great at using simple examples to make the topics easy to understand. I already took AP Calculus BC in high school so that helped, but I'm sure anyone could still do well even without basic calculus knowledge. I'm really looking forward to taking MATH234 with her next term!","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MDI4Njcz","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-04-06 05:17:42 +0000 UTC","comment":"the goat of calc 1. She explains everything so clearly and answers questions very well. Very engaging lectures. Best math teacher/professor I've ever had.","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NTc5OTc3","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-17 22:00:10 +0000 UTC","comment":"Best professor for 221 hands down. Explains everything clearly.","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NTQwODMy","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-15 19:14:27 +0000 UTC","comment":"If you have to take math 221 try to get into her class. She is so intelligent and good at explaining all of the concepts in simple ways. I do not like calc at all but I loved Professor Lindsey.","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NDE0MTA5","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-08 06:29:25 +0000 UTC","comment":"Professor Lindsey is one of the best professors on the math department! Her notes are so organized and neat, and she posts the lectures right after class. She seems to really care for student success and is very enthusiastic about math. Definitely go out of your way to have her!","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MzQ4MzY3","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-02 18:26:04 +0000 UTC","comment":"Lindsey is the best 221 prof you can take. She is a fairly good lecturer and a chiller in that she uploads a recording of the lecture w/ annotated notes immediately after class. There's weekly discussion quizzes & twice-weekly HW. Not a super heavy workload and make sure you take practice exams before the real one for a very attainable A.","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MzQ1MDA0","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-02 14:10:05 +0000 UTC","comment":"Professor Lindsey is an amazing lecturer. Her lectures are always so clear and she posts recordings of them to Canvas in case you have to miss a class. The course itself sucks and is extremely test heavy, so if you get a bad TA it's hard to do well. However, Melissa is extremely helpful during office hours and does what she can to help her students","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MjkwMzMw","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-11-23 04:45:30 +0000 UTC","comment":"Professor Lindsey is an amazing lecturer. Very Clear explanation about concept and sample questions and annotated lecture activities are given. However, this course itself is one of the hardest courses I've ever taken. Avoid taking this course without any foundations in Calc!","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MTkzNjU0","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-11-04 21:06:27 +0000 UTC","comment":"Lindsey is definitely one of the best profs I've ever had. She is super organized and posts the unannotated slides before class and sends out the annotated slides with the lecture recording right after class. She makes the class very manageable and pretty easy to keep up with.","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:53:32.068522+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MTYzNjc0","source_instructor_id":"rmp:2637551","instructor_name":"Melissa Lindsey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-10-28 02:38:03 +0000 UTC","comment":"I think professor lindsey is great! the textbook is online and the homework is online too and due wednesday nights.","source_url":"https://www.ratemyprofessors.com/professor/2637551","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:51:39.640484+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MTQ2MTE2","source_instructor_id":"rmp:2407195","instructor_name":"Mihaela Ifrim","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-04-25 16:25:29 +0000 UTC","comment":"Prof. Ifrim is a hilarious lady who makes going to a 75 minute math lecture bearable. She really cares about her students and does many examples of the class is not understanding the content. That being said, the exams are hard, but if the class does collectively bad she gives a pretty generous curve.","source_url":"https://www.ratemyprofessors.com/professor/2407195","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:51:39.640484+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MTQxNDYx","source_instructor_id":"rmp:2407195","instructor_name":"Mihaela Ifrim","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-04-24 23:20:28 +0000 UTC","comment":"Mihaela is a super sweet lady, and she's so genuinely funny in lecture. The class is hard though, but honestly, I expected it. Definitely get a tutor of some kind in the beginning, if you're struggling with material since falling behind is not an option. Exams are brutal, but the curve is generous if everyone does poorly. ","source_url":"https://www.ratemyprofessors.com/professor/2407195","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:51:39.640484+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MTA1NzQ0","source_instructor_id":"rmp:2407195","instructor_name":"Mihaela Ifrim","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-04-19 20:33:34 +0000 UTC","comment":"Sucks","source_url":"https://www.ratemyprofessors.com/professor/2407195","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:51:39.640484+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MTAyNjg4","source_instructor_id":"rmp:2407195","instructor_name":"Mihaela Ifrim","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-04-19 16:20:14 +0000 UTC","comment":"Initially, the professor was difficult to understand, but after a week it became very easy. She cares an incredible amount and spends tons of time on examples if the class doesn't seem confident. She has been my favorite math teacher I've ever had. The tests can be quite difficult, but that's because of freshmen who haven't taken a hard math class.","source_url":"https://www.ratemyprofessors.com/professor/2407195","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:51:39.640484+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MDc1MzE0","source_instructor_id":"rmp:2407195","instructor_name":"Mihaela Ifrim","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-04-14 01:24:46 +0000 UTC","comment":"TAKE A DIFFERENT PROFESSOR! Save your grade and money! She is confusing with a thick accent, she isn't organized at all. (She doesn't even title lectures with the correct topics) Makes mistakes in lectures. AND key detail is that she makes her lectures on the spot with a tablet, and writes in cursive. (Has office hours only one time a week)","source_url":"https://www.ratemyprofessors.com/professor/2407195","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:51:39.640484+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1ODgzNTM5","source_instructor_id":"rmp:2407195","instructor_name":"Mihaela Ifrim","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-02-25 19:04:24 +0000 UTC","comment":"Its a difficult class, I wont lie. I took 211 last semester and still have a lot of trouble with the class. That being said, shes a pretty good instructor whos more than willing to help you out if your confused. A tip that I learned from 211: if you have trouble during the lectures, follow along in the textbook (:","source_url":"https://www.ratemyprofessors.com/professor/2407195","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:51:39.640484+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1ODI2ODQy","source_instructor_id":"rmp:2407195","instructor_name":"Mihaela Ifrim","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-02-04 00:57:23 +0000 UTC","comment":"VERY DIFFICULT to understand her, she makes a lot of mistakes during lecture. You can tell she is trying her best with her language-barrier, and is actually trying , but she is beyond confusing at times, get a tutor.","source_url":"https://www.ratemyprofessors.com/professor/2407195","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:51:37.997176+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE4MDQ4NDU0","source_instructor_id":"rmp:620540","instructor_name":"Mikhail Feldman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-12-27 10:38:44 +0000 UTC","comment":"WOrst professor by FAR! You cant understand him, His russian accent gives you the worst headache. He does not grade on a curve, and gives the hardest exams. You can barely read his writing on the board, or understand him at all. AVOID THIS PROFESSOR!!!","source_url":"https://www.ratemyprofessors.com/professor/620540","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:51:37.997176+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE4MDI5Mjc5","source_instructor_id":"rmp:620540","instructor_name":"Mikhail Feldman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-12-23 01:06:27 +0000 UTC","comment":"Avoid if possible!!!","source_url":"https://www.ratemyprofessors.com/professor/620540","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:51:37.997176+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE4MDE0NDE2","source_instructor_id":"rmp:620540","instructor_name":"Mikhail Feldman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-12-21 14:05:36 +0000 UTC","comment":"hard to understand, says he doesn't curve","source_url":"https://www.ratemyprofessors.com/professor/620540","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:51:37.997176+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE3ODQ4MTE2","source_instructor_id":"rmp:620540","instructor_name":"Mikhail Feldman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-12-02 19:52:27 +0000 UTC","comment":"AWFUL! I can't understand a word he says. I've never taken calc before and it's impossible to learn from him. Everything is right out of the book and he just reads it to you. His examples, also from the book, aren't clearly presented and his accent is horrible. Never take a class from him. Ever.","source_url":"https://www.ratemyprofessors.com/professor/620540","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:51:37.997176+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE3ODM0Mzcz","source_instructor_id":"rmp:620540","instructor_name":"Mikhail Feldman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-11-30 19:28:26 +0000 UTC","comment":"he sucks! horrible and yes his lecture notes are straight from the textbook. Better to teach yourself than to waste your time on going to lecture.","source_url":"https://www.ratemyprofessors.com/professor/620540","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:51:37.997176+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE3NzIxNzg5","source_instructor_id":"rmp:620540","instructor_name":"Mikhail Feldman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-11-02 23:28:08 +0000 UTC","comment":"I cannot understand him at all, this class is impossible!","source_url":"https://www.ratemyprofessors.com/professor/620540","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:45:58.765173+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0OTkxNTE=","source_instructor_id":"rmp:129393","instructor_name":"Paul Milewski","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-12-13 13:13:16 +0000 UTC","comment":"Good professor.  Did lots of examples, took questions, funny.  The class was hard, but it was calculus.","source_url":"https://www.ratemyprofessors.com/professor/129393","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:45:58.765173+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEyNDc3ODU=","source_instructor_id":"rmp:129393","instructor_name":"Paul Milewski","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-11-01 04:15:47 +0000 UTC","comment":"take him if you've already taken calculus in high school, not much homework, good professor","source_url":"https://www.ratemyprofessors.com/professor/129393","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:45:58.765173+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTU2OTEyNw==","source_instructor_id":"rmp:129393","instructor_name":"Paul Milewski","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-02-16 18:43:28 +0000 UTC","comment":"i thought he was pretty good and i'm taking him again for 222","source_url":"https://www.ratemyprofessors.com/professor/129393","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:44:55.963787+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQwNTkxMDQ5","source_instructor_id":"rmp:2059558","instructor_name":"Qin  Li","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2025-01-23 03:49:56 +0000 UTC","comment":"As a person, she's very sweet and understanding; however, I wouldn't recommend her as a professor. She doesn't record lectures, nor does she post the slides, so you have to do all the work by yourself. I have taken calc 1, so I skipped all lectures and only studied the previous exams and managed to get an A in her class. ","source_url":"https://www.ratemyprofessors.com/professor/2059558","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:44:55.963787+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQwNTEwMTE4","source_instructor_id":"rmp:2059558","instructor_name":"Qin  Li","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2025-01-08 20:07:43 +0000 UTC","comment":"Attendance isn't mandatory, but if you don't go to lecture, it will be hard as she doesn't post her slides on canvas. If I didn't have notes from lecture, I wouldn't have been able to pass. She rushes through a lot, and I learned more from youtube because she wasn't very thorough. She seems like a good person, but not a great prof. ","source_url":"https://www.ratemyprofessors.com/professor/2059558","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:44:55.963787+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQwNDg5MTA5","source_instructor_id":"rmp:2059558","instructor_name":"Qin  Li","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2025-01-06 04:26:19 +0000 UTC","comment":"Very good at explaining the fundamentals of calculus! Easy to follow along with her work during lectures and spends the right amount of time teaching each topic throughout the semester.","source_url":"https://www.ratemyprofessors.com/professor/2059558","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:44:55.963787+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQwNDQyNTUw","source_instructor_id":"rmp:2059558","instructor_name":"Qin  Li","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-12-27 00:53:06 +0000 UTC","comment":"Attending lecture is pretty much required to get a good grade, it can be difficult to get necessary help if you miss it. Her lectures are pretty good though, she mixes stories and humor in to get you through. She's a very nice person too, though it can be hard to understand some of her explanations and get help outside class.","source_url":"https://www.ratemyprofessors.com/professor/2059558","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:44:55.963787+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQwNDI5MjUx","source_instructor_id":"rmp:2059558","instructor_name":"Qin  Li","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-12-24 05:58:01 +0000 UTC","comment":"Grade for 221 was basically three exams: two midterms and a final. However, Professor Li gave out plenty of examples in lectures and explained concepts clearly. Make sure to go to discussions though if you want even more examples to get a better understanding on everything that was taught in lectures.","source_url":"https://www.ratemyprofessors.com/professor/2059558","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:44:55.963787+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQwNDE3Mzgx","source_instructor_id":"rmp:2059558","instructor_name":"Qin  Li","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-12-22 20:55:19 +0000 UTC","comment":"This was Professor Li's first time teaching a Calc 1 class... it showed. She rushed through lectures and made a lot of mistakes while lecturing. I got more out of watching YouTube videos than attending her lectures. She did not go in-depth with the content like would be expected of us on the exams. Nice person, but not a great professor.","source_url":"https://www.ratemyprofessors.com/professor/2059558","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:43:57.221689+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NDkyMjc1","source_instructor_id":"rmp:1383659","instructor_name":"Rachel Davis","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-23 12:34:41 +0000 UTC","comment":"Rachel is not very good at public speaking so she often stumbles when talking and makes mistakes when writing example problems on the board. If you talk to her in person she is much better its just that her actual lecture are hard to follow. Her tests are fairly easy though and you shouldn't have much trouble.","source_url":"https://www.ratemyprofessors.com/professor/1383659","quality_rating":2.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:43:57.221689+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NDcxMTM4","source_instructor_id":"rmp:1383659","instructor_name":"Rachel Davis","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-18 01:33:57 +0000 UTC","comment":"Dr. Davis is probably not a good professor if you do not have previous experience with Calculus. She asks the class to do problems without giving examples first. I frequently lost track of what she was doing on the board. Dr. Davis is an alright professor if you have taken Calculus I before, otherwise you should probably find someone else.","source_url":"https://www.ratemyprofessors.com/professor/1383659","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:43:57.221689+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MzkwOTMy","source_instructor_id":"rmp:1383659","instructor_name":"Rachel Davis","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-04 20:42:40 +0000 UTC","comment":"Rachel Davis is an AWFUL lecturer. My roommate and I had the same lecture and she has taken Calc 1 before and I haven't and neither of us knew what was going on half the time. She gives example problems during lecture without even showing how to do them in the first place and spends half of time explaining proofs that don't help at all.","source_url":"https://www.ratemyprofessors.com/professor/1383659","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:43:57.221689+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MjM3Nzk1","source_instructor_id":"rmp:1383659","instructor_name":"Rachel Davis","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-16 18:37:46 +0000 UTC","comment":"Rachel Davis is terrible professor. Lectures were confusing and didn't help much with the material. However, the class is an easy A if you have taken calc in the past.","source_url":"https://www.ratemyprofessors.com/professor/1383659","quality_rating":1.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:43:57.221689+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MTM4MTAz","source_instructor_id":"rmp:1383659","instructor_name":"Rachel Davis","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-11 19:37:44 +0000 UTC","comment":"Dr. Davis is a terrible lecturer. Often managed to confuse students who had already taken the course with muddled proofs and unacknowledged mistakes. Quizzes are simple, exams are difficult but do-able. If you have already taken Calc 1 you will be okay. If you are learning the material for the first time, FIND A DIFFERENT PROF.","source_url":"https://www.ratemyprofessors.com/professor/1383659","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:43:57.221689+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MDA2NzI0","source_instructor_id":"rmp:1383659","instructor_name":"Rachel Davis","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-11-30 20:32:21 +0000 UTC","comment":"I attended the first month of lecture. Rachel was very scattered throughout the lectures, constantly writing on the board from a notebook. I took AP Calc AB in high school, go to the discussions, and do the homework. Lectures aren't necessary if you do that.","source_url":"https://www.ratemyprofessors.com/professor/1383659","quality_rating":1.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:43:57.221689+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4NzI4NDMy","source_instructor_id":"rmp:1383659","instructor_name":"Rachel Davis","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-10-09 22:20:15 +0000 UTC","comment":"Nice/cares about whether or not students understand the material being taught Smart in her field, has difficulties explaining thought processes/how to arrive at answers Lectures are more proving theorems than practicing using the theorems to get answers Way harder to grasp than AP calc AB Takes forever to get into derivatives (too many limits)","source_url":"https://www.ratemyprofessors.com/professor/1383659","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:43:33.453246+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQyNzMwOTE5","source_instructor_id":"rmp:3147828","instructor_name":"Rajula Srivastava","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2026-03-24 15:22:37 +0000 UTC","comment":"As others have mentioned, she teaches this class as if everyone has taken calculus before. She spends way too much time on simple concepts and nowhere near enough time on topics that actually need it. Her class is fine to take if you've taken calculus before and have some kind of background knowledge, but otherwise do not.","source_url":"https://www.ratemyprofessors.com/professor/3147828","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:43:33.453246+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQyNTc0MjMx","source_instructor_id":"rmp:3147828","instructor_name":"Rajula Srivastava","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2026-02-02 15:58:07 +0000 UTC","comment":"Srivastrava is okay, you can tell shes real knowledgeable and also will take the time to explain something to you if you dont get it, but theres nothing that stands out in particular as an exemplary teaching trait. Wouldn't shy away from taking another course with her, but I wouldn't necessarily be overly exuberant to ","source_url":"https://www.ratemyprofessors.com/professor/3147828","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:43:33.453246+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQyNTIwMzc3","source_instructor_id":"rmp:3147828","instructor_name":"Rajula Srivastava","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2026-01-19 21:54:56 +0000 UTC","comment":"Rajula taught the class as if everyone in the lecture had previously taken Calculas. The practice problems in class moved very quickly and offered little explanation to solutions. Discussions were the most helpful in learning material and studying for quizzes/tests.","source_url":"https://www.ratemyprofessors.com/professor/3147828","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:43:33.453246+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQyNTIwMzM4","source_instructor_id":"rmp:3147828","instructor_name":"Rajula Srivastava","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2026-01-19 21:43:20 +0000 UTC","comment":"Rajula is an incredibly intelligent person, however, she was not very good at teaching concepts. I came from a pre-calc background, and was learning a lot of things for the first time. I would come out of lectures extremely confused and ended up having to reteach myself majority of the concepts. Use the MLC if you want to get a good grade. ","source_url":"https://www.ratemyprofessors.com/professor/3147828","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:43:33.453246+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQyNTE3MDcz","source_instructor_id":"rmp:3147828","instructor_name":"Rajula Srivastava","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2026-01-18 21:30:34 +0000 UTC","comment":"I liked how she made the classroom atmosphere light! She was great at articulating her words during lectures. Her slides pace were a bit fast, but she always went back and gave up class time for midterm/ exam review. Overall, she was great (coming from someone who has never taken calculus). ","source_url":"https://www.ratemyprofessors.com/professor/3147828","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:43:33.453246+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQyNTA1MDg5","source_instructor_id":"rmp:3147828","instructor_name":"Rajula Srivastava","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2026-01-15 21:06:37 +0000 UTC","comment":"Came into this course with only Pre-Calc experience from high school. Would not recommend this course if you are in a similar situation as I felt behind and confused almost every lecture. She went over content very quickly, assumed you had seen the topics before and didn't really help during office hours instead just brought up unnecessary content.","source_url":"https://www.ratemyprofessors.com/professor/3147828","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:43:33.453246+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQyMjE1ODgz","source_instructor_id":"rmp:3147828","instructor_name":"Rajula Srivastava","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2025-12-12 21:57:27 +0000 UTC","comment":"Overall a pretty decent teacher, she was very nice and caring, and truly cared for her students. At times she goes over some things too quickly, and spends way too much time on other topics. Expect to relearn some things outside of class.","source_url":"https://www.ratemyprofessors.com/professor/3147828","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQxMDgwOTE5","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2025-04-29 04:05:05 +0000 UTC","comment":"The professor tailors the course to students who have taken calculus in high school and expects having previous knowledge going into lectures and discussions. It was fast-paced, and the TAs were also not helpful and wouldn't show the work/provide answers to questions on the discussion sheet. There is no curve when exam scores were not high. ","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM4OTkxOTYw","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-02-22 00:14:52 +0000 UTC","comment":"I liked Bobby! I already took calc in high school so I didn't have to pay attention much. My critiques are that he makes some simple topics very confusing with his explanations. Also, he likes to use smiley faces and stars as variables, which I never understood why. Overall, a very good experience!","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM4ODUyMzg1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-01-09 02:07:35 +0000 UTC","comment":"Bobby is fun and often enough, energetic. He definitely has a passion for math. He goes on for a VERY long time on definitions and why the concepts work. I personally did not share this same passion so I found the lectures not as helpful as some. This extra attention on noncourse material often leads to us being behind the other professors' class.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM4MzU1Mjc5","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2023-11-08 01:17:54 +0000 UTC","comment":"It isn't that he is a bad teacher, per se, but he does have quirks. For one, he shushes the lecture hall at least five times per lecture, which is, to be frank, demeaning. He also has a very interesting laugh and half smile that he maintains the entire lecture, and everything sounds like it is a joke (not that these are necessarily bad things).","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM4MzA2MzY5","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2023-10-25 01:56:38 +0000 UTC","comment":"Grizzard is a notoriously awful math professor that many UW freshmen, unfortunately, have to experience. His lectures are either extremely basic, unrelated, or beyond the scope of the course. Compounding this, Grizzard's exams tend to be brutal and he does not believe in curving (which is why he has some of the lowest GPAs ever for 221). Beware.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MzAyMjQy","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-05-10 21:52:59 +0000 UTC","comment":"Bobby is a decent guy, and lectures aren't awful, but he's all over the place. I didn't take calc in high school while 90% of my class had, so he catered to those who had already learned it. Also promised a curve at the end, but it didn't help unless you have less than a C (AB was a 89%). If you haven't taken calc before, maybe find another prof.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1ODk1MTIz","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-03-02 02:42:55 +0000 UTC","comment":"The worst professor I have ever had. Lectures are abysmal. The only reason I did well in this class is because I already learned all of the content in high school. My TA would correct what he said in the lecture because it was wrong. Every lecture he sat criss-cross-apple-sauce like a toddler and streamed his Ipad to the projector.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1ODEyNDUx","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-01-30 21:32:16 +0000 UTC","comment":"Overall just a frustrating class to be in. He definitely knows the material, but is not very good at presenting it. Going to lecture feels consistently like a waste of time. Haven't taken calc? Prepare to be taught from YouTube.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1ODEyNDQ4","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-01-30 21:31:25 +0000 UTC","comment":"I couldn't give him a 0 so I gave him a 1. People who had already taken calc found it extremely confusing too, personally, he made it way more confusing than he was supposed to and went off on tangents almost immediately. I would recommend Prof Leonard videos on youtube they teach better. Respectfully, don't take him if you don't have to.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1Nzg2MTIx","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-01-23 04:17:33 +0000 UTC","comment":"Tests were about 85% of the final grade, so if you didn't do well you didn't pass. Bobby is very confusing during lectures and goes off on tangents a lot. The only good thing was that he recorded the lectures so you didn't have to go to class in person, although sometimes he took more than a week to upload them.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NzY3NzUw","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-01-18 20:11:46 +0000 UTC","comment":"Bobby taught primarily on whether or not you took AP Calc in high school. If you did you were in good luck, if you didn't you were kinda screwed. Prior knowledge was the only way i passed this class","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NzI2MDM2","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-01-10 03:06:07 +0000 UTC","comment":"Bobby is a nice enough guy, which I assume is the sole reason why his rating is currently as high as a 3.8 because it's not due to his teaching. During lectures, he goes off on tangents about irrelevant information or spends the whole period on 2 problems. So, be prepared to learn everything on your own even if you took AP calc in high school.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NzE2MjM1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2022-01-07 19:00:56 +0000 UTC","comment":"Lectures were disorganized and board work was optically messy. Bobby is an intelligent individual; however, his method of teaching (vague proofs and chaotic inductive reasoning) caused me to heavily rely on my TA to learn concepts. Profound effort was made outside of class, but I felt that my grade did not accurately reflect my end understanding.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NjczMTA5","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-29 18:41:51 +0000 UTC","comment":"Bobby often delved into non-test-related content in lectures to explain why things were the ways they were, rather than mostly explaining how they're applicable. Although he is a nice guy, Bobby is slow in explanations and leaves most of the learning to be done outside of class. Even if you've taken calc before, it's still hard to get an A.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NjQ3ODUx","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-24 05:58:37 +0000 UTC","comment":"Bobby was an interesting professor. If you took calc in high school and did well, you will be able to do well and enjoy his class, if not, do not take him. He focuses on little details a lot of the time and you will find yourself learning the material in your own time. Lectures were interesting and a really nice guy, but not the best teacher.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NDk3MDk2","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-13 17:26:09 +0000 UTC","comment":"dont take this class. just dont. he's unorganized, overcomplicates simple things and talks about things that arent even on the exam. i cannot stress this enough: i taught myself this ENTIRE class. kids stopped going to lectures halfway through the semester because his class is so pointless. its awful. worst teacher ive ever had in my whole life.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1NDA2MDA2","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-07 22:30:05 +0000 UTC","comment":"I'm sure that he's a very smart person but some people aren't meant to be teachers... I took Calc in HS and he found a way to confuse me even on the topics I already knew. At the beginning of the semester I was attending every lecture but that got me nowhere and I'm trying to learn the topics by myself. Exams are very hard. DON'T TAKE HIS CLASS!!!","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MzM4MTYz","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-12-01 21:30:44 +0000 UTC","comment":"Bobby was a really nice guy but a horrible math teacher. He takes the entire class to go over 1-2 questions that most of the time aren't even relevant. I basically had to teach myself everything. If you didn't take calc in high school, you won't be ready because they expect you to know it. The tests are way harder than any of the practice.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MzE2OTc5","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-11-30 01:28:51 +0000 UTC","comment":"Horrible teacher, super unorganized and his teaching methods are so confusing for no reason. If you never took calc in high school I am begging you to not have Robert as your professor.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1Mjk5NDg1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-11-25 01:07:32 +0000 UTC","comment":"Puts smiley faces instead of X and Y, he tries but fails at teaching.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MjMxMzQw","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2021-11-12 17:13:41 +0000 UTC","comment":"Bobby was my first math professor and surely was one of the best. He was interactive and fun to have as a professor in lecture. Also, always open to new ideas and input. Glad to have taken a class with this guy.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM0MDI5NjU2","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2020-12-11 06:22:27 +0000 UTC","comment":"I have to give Bobby some slack because these lectures were videos for us to watch on our own time, but they were far more timely than the 1 hour and 15 minutes class times are supposed to be for lectures. You jump right in, so if you're a little rusty on 221 stuff then get studying. Really fun guy, I loved seeing Muffins in his videos and on calls","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMzODgxMjEx","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2020-11-24 15:54:40 +0000 UTC","comment":"Super nice","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMyOTQ3NzYx","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2020-03-03 18:33:56 +0000 UTC","comment":"A good professor for 221 when he doesn't start shushing people every 5 minutes. Math is hard and wasn't for me, and classes and discussion sections were generally helpful.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMyODUyMTc4","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2020-01-20 20:55:24 +0000 UTC","comment":"He's really boring and awkward and if you haven't taken calculus before you will probably have a very hard time.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMyNTEwNjEz","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-12-03 17:35:13 +0000 UTC","comment":"Bobby Grizzard is the absolute worst professor Ive ever had. He just babbles for the whole lecture where we are supposed to be learning and then throws difficult problems at us that he expects us to know how to do (when we have never learned them). If you have him, get ready to teach yourself everything because he doesnt teach well AT ALL.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMxMjA1OTAy","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-01-05 20:47:27 +0000 UTC","comment":"Grizz can loose his train of thought a bit during lectures which can be a bit of a downside, but I felt he did a very good job of explaining where things are derived from. There was practically no memorization in this class due to in depth explanation of the theory of the topics. I recommend using textbook and all other resources. Class is tough.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMwNzY0MzAz","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-11-20 17:34:19 +0000 UTC","comment":"Lots of tangents","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NjA1NDE0","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-02-28 11:14:53 +0000 UTC","comment":"This guy was great. He had great office hour times and was big on teaching us through participation. We did a lot of problems in class. It was awesome. I came in to Calc. 1 not knowing much but left a master.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NTAyNjA2","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-25 14:00:24 +0000 UTC","comment":"He is a horrific teacher and does not help during class. He is terrible at explaining things, especially to students who don't understand everything right away. I would not recommend him to anyone","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4MDcxOTgy","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-04-18 18:38:38 +0000 UTC","comment":"Overall very nice professor","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4MDUyNjk3","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-04-14 20:02:33 +0000 UTC","comment":"Amazing Professor","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3OTcxNzM0","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-03-30 16:59:26 +0000 UTC","comment":"Great math teacher that truly wants his students to understand the material. His office hours are super helpful and a great way to get the homework done. Class is either hum lecturing or everyone working on a worksheet. The exams weren't too hard if you understood the homework and worksheets. I learned a ton","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3NjE2MDcy","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-12-24 02:43:11 +0000 UTC","comment":"Good overall person. Really nice and caring if you go to office hours. The set up of the class is more like a standard high school class with more problem solving in class. Kinda nerdy (as any Doctorate in Math) but funny. Great person with a cool cat tattoo that you should look for.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3MjcxMzQ4","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-11-29 10:04:08 +0000 UTC","comment":"Grizzard is a great professor. I was initially worried by his alternative lecture style, but found it to be much more productive (at least for me) as the semester continued. Every day we either start with a short lecture and move into work time on worksheets he'll hand out or go straight to work time. Weekly homework/quizzes, manageable exams.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3MjA3MzE3","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-11-16 23:41:22 +0000 UTC","comment":"Prof Grizzard was a true gem who sometimes accidentally gave solid life advice in math terms. \"You have to balance your life\" -Prof Grizzard","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2NzYzMDY1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-06-27 21:35:18 +0000 UTC","comment":"Dr. Grizzard sets up his lectures differently than other professors. Instead of having lecture/discussion, you have 5 lectures a week with him at each one with a class of about 80 students. He lectures the first part of class and then gives you a worksheet for the rest of class. The worksheets are good for practice problems to practice before exams","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2NTg2Mjk1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-05-16 12:02:38 +0000 UTC","comment":"Dr. Grizzard was a really funny guy. I liked his teaching style but he was not very clear about what would be on his tests. Usually the test questions were much harder than the quiz or practice problems.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2Mjk2NjUw","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-04-14 12:32:04 +0000 UTC","comment":"Grizzard really knows what he's talking about and super willing to help, if you ask for it. He's pretty funny, if you like awkward humor, but super super dry and a little monotonous. HOWEVER: there are NO discussions. Trust me, you'll be glad. Also important to note, he doesn't put anything up online, so if you skip, you better already know calc.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2MjM4ODYx","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-04-06 00:14:15 +0000 UTC","comment":"By far the most disorganized professor I've had. He's very nice and if you go to his office hours, he's all too excited to help you: he's just not good at it. He's brilliant, but he kinda speaks math and not usual English. He's very confusing and I got way more sense out of his TA person than him. I got a 5 on the AP test, but only a B in the class","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2MDg1OTI5","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-02-24 23:15:40 +0000 UTC","comment":"Great professor","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2MDY1MTAy","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-02-17 22:15:44 +0000 UTC","comment":"He wants to help the students yet his train of thoughts often detour the wrong way that his explanation confuses me. Lectures mostly him explaining concepts 20% and worksheets 80%, I'd say. I believe his lecture wasnt helpful, or crucial, for the tests since I self-studied the materials during the class. Group prjs sorta pointless but fair grading.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1OTA3NzY1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-01-09 12:08:18 +0000 UTC","comment":"Professor Grizzard was one of the most enjoyable professors I have had in my college career.  His style of teaching made me really think and work for my grade, which allowed me to delve much more deeply in the subject matter.  Go to his office hours often; he is so willing to help!  I would definitely take a class with him again.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1ODQxMjYz","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-29 00:27:00 +0000 UTC","comment":"Professor Grizzard was my favorite professor this semester and made Math 221 very enjoyable, despite the difficulty of the class. He is an interesting guy whose unorthodox teaching style made me think about math much more critically than I have before. Go to office hours often, work through problems! If given the opportunity, take this class.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1ODE3NDQ3","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-24 01:20:08 +0000 UTC","comment":"I really enjoyed his class style-- he had class every day that was a little bit of lecture and then getting actual practice by working on a worksheet. He could sometimes be a bit hard to follow when answering specific questions, but generally, I was able to understand most everything. Overall, he's a cool guy and an effective teacher.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1Nzk2NzQ2","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-21 22:45:46 +0000 UTC","comment":"It's a lot of independent learning so be ready to teach yourself. He is always available for questions and  replies to emails very quickly.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1Mzg3OTY1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-11-11 01:51:15 +0000 UTC","comment":"He's a pretty great professor. At first, I was very skeptical. His teaching method may seem odd but it works. Plus, he's super awkward which makes the class slightly funny and enjoyable. He honestly wants all of his students to succeed and he's the type of professor who likes to challenge his students. Tough grader but fair","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1MjgzMTA2","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH 221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-10-22 21:38:48 +0000 UTC","comment":"Awesome professor for math. Feels like a fresh blow of air in the monotonous styles of teaching in college. His teaching style inflicts a lot of pain on the students, but I guess that is what bring out the best out of me and helps me ace his tests(which are not tough at all if you do the homework and the class problems seriously and diligently).","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1MjgyNjA1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-10-22 19:37:52 +0000 UTC","comment":"Profesor Grizzard was a bit of a mystery at first, especially with the way he teaches (involves students by giving problems to work on.. vs normal lecture). Yet, after the first exam I've come to realize there is a reason he makes you critically think during lecture. I did very well on the first exam, however I spent a LOT of time in office hours.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1MjgyNDQ0","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-10-22 19:06:45 +0000 UTC","comment":"Great professor. He is definitely inexperienced but his unusual style of teaching makes his classes very easy and enjoyable. Plenty of problems in class means that homework becomes very easy to do. Very friendly and helps out a lot. Would definitely take his class again. Textbook is needed just for homework and it is available online too.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MjgyMTY1","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-01-13 18:40:27 +0000 UTC","comment":"He really tries so hard to be a good teacher he just falls short of that goal.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":2.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MjE2MTYy","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-01-02 12:55:13 +0000 UTC","comment":"He was  a wonderful lecturer. This is one professor that you should go and talk to outside of class because it will help you tremendously. ","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MTU4MjIw","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-20 22:20:15 +0000 UTC","comment":"Robert Grizzard was very amusing. He was awkward, but he made the class humorous while conductive to learning. His office hours were extremely useful, and it is important that you to go to them at some point. Grizzard was very friendly, his exams were fair, and pretty much everyone liked him. The group projects were sort of weird, but that's minor.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MTIyNjU3","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-17 18:04:41 +0000 UTC","comment":"Grizzard is a great professor. The class is hard and it takes a little bit to adjust to his teaching style. The tests are hard, but he gives you a lot of practice problems. He is very helpful in office hours which I realllllllly suggest you go too. ","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MTA3MDM0","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-16 18:38:26 +0000 UTC","comment":"Grizzard started off the semester a little rough because this was his 1st semester. He really improved throughout the semester and was one of my favorite professors! He is a little awkward at times but it's kind of funny. There are 3 group projects given throughout the semester which are kind of pointless, but Grizzard himself is a good professor.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MTA2NjQz","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-16 18:15:39 +0000 UTC","comment":"He is kind and respectful. Gets to know every student by name which is cool to see. Office hours are very beneficial but dont expect him to just show you how to do the problem. He will guide you along and make you think for yourself to solve the problem, which is helpful for tests. Favorite professor I had. Also had Hansen-Econ and Sibert-Chem","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MDk0MTEy","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-15 22:36:20 +0000 UTC","comment":"He was my favorite teacher this semester. He is goofy, awkward, and truly cared about each and every person's success. He knew us all by name (a lecture of over 60 people). Made calculus interesting and gave straightforward  and fair tests. He would always set aside 2 points on the tests for us to draw a picture (a bunny, snowman, and badger)!!!","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MDY4MDEz","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-13 19:30:59 +0000 UTC","comment":"Love his cat tattoo!","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MDUxMDYw","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-12 11:19:24 +0000 UTC","comment":"Fall of 2014 was Dr. Grizzard's first semester here, and based on the first day, I didn't think it was going to be pretty, but he did A LOT to improve and listened to what us students wanted. Lectures are pretty dry and not always the clearest content-wise, but he does well to keep your attention.  I found his office hours to be helpful.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MDUwNjUw","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-12 10:46:34 +0000 UTC","comment":"Dr. Grizzard is quite goofy and awkward, but in a good way.  He sometimes fumbles his words, but he always gets the point across. Overall a very good teacher and I enjoyed the class.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzOTM4NjAw","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-03 18:45:41 +0000 UTC","comment":"Super nice guy and is pretty good at explaining math.  I had him for 221 and he grew on me throughout the semester. Wish I could get him for 222 too :(","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzOTI2NjA3","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-02 18:09:18 +0000 UTC","comment":"He knows what he is talking about, however he makes the students rely on themselves for the majority of the course. He does not really lecture or put up too many examples. Instead, he basically hands out problems and expects the class to do it together. His tests are fair as long as you put in the effort to learn the material. Office hours helpful","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzOTI1NDA5","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-02 16:29:40 +0000 UTC","comment":"I was expecting a lot worse considering that I have heard horror stories about calculus. His teaching skills improved a lot throughout the course of the semester. He continually makes the class improve. I hope you like group projects, because he gives a lot of those.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzOTE4MTA2","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-01 21:42:52 +0000 UTC","comment":"If you want a challenge, take this class. He will make you work for the problems and practically beg for help. Taught myself everything from youtube videos because going to class was pointless. ","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzOTE2OTIy","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-01 19:27:59 +0000 UTC","comment":"Dr. G's lecturing isn't always the most clear and he is really awkward, (be prepared for a lot of: um, but anyways..., you know... etc.) but he does well enough. He is very helpful, and makes you think. He gives helpful hints on what to do. The group projects felt a little pointless. Take him if you can with the five lecture a week format for 221.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzODIzNDc3","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-11-16 13:45:44 +0000 UTC","comment":"He is so good.  He helps students a lot and he has office hours every single day.  His tests are not hard and he is genius.  He is my professor for math 221.   I highly recommend him.","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:45.912910+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzNzU4OTU5","source_instructor_id":"rmp:1934009","instructor_name":"Robert Grizzard","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-11-06 14:57:47 +0000 UTC","comment":"His 8:50 am classhe's a bit unclear in his lectures and kind of lazy to help students during lecture, but if you take his class at 1:20 or later, he seems to put more effort into teaching the material and helping out students during lecture. (his lecture class size isn't like normal lecture sizes, it's substantially smaller but not classroom size)","source_url":"https://www.ratemyprofessors.com/professor/1934009","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:44.361370+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5NjExNTIw","source_instructor_id":"rmp:1625443","instructor_name":"Robert Harron","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-12-23 13:45:03 +0000 UTC","comment":"I took calc in high school, so this class was fairly easy. Still, Professor Harron is a fantastic teacher. He makes everything clear and easy to understand. The homework isn't bad, and his midterms and final were super easy. He's a funny guy and makes math actually fun and interesting. Makes you want to come to lecture. Great class.","source_url":"https://www.ratemyprofessors.com/professor/1625443","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:44.361370+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5NjA1OTIw","source_instructor_id":"rmp:1625443","instructor_name":"Robert Harron","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-12-22 17:49:51 +0000 UTC","comment":"Excellent professor. He made the class somewhat interesting, and the homework load wasn't too bad. I didn't take calc and high school, and i was still able to learn the material and get decent grades. Although, it was annoying to see people who already took calc not do as much studying.","source_url":"https://www.ratemyprofessors.com/professor/1625443","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:44.361370+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5NTgzOTUy","source_instructor_id":"rmp:1625443","instructor_name":"Robert Harron","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-12-20 16:04:24 +0000 UTC","comment":"literally Just took is final today. I don't think the class was very hard but then again I did take Calc In high school. Classes aren't the most interesting but it is math so I wasn't expecting stand up comedy. Got a B on my first midterm and an A on second midterm. Final was a little rocky but if you take the time to study you should be fine.","source_url":"https://www.ratemyprofessors.com/professor/1625443","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:44.361370+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5NTcwOTYy","source_instructor_id":"rmp:1625443","instructor_name":"Robert Harron","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-12-19 15:12:07 +0000 UTC","comment":"Such a great professor. Explains things so well and he is a funny guy for sure. Tests are fair, their tough but he doesnt do anything wild. Definitely wish I was taking him for Math222.","source_url":"https://www.ratemyprofessors.com/professor/1625443","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:44.361370+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5MzY1NDEz","source_instructor_id":"rmp:1625443","instructor_name":"Robert Harron","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-12-02 18:41:26 +0000 UTC","comment":"He is a pretty funny guy, and he does a lot of examples to get a better understanding of the material. He does pointless proofs, but other than that I would recommend him. I am not very good at math, but his exams are very fair.","source_url":"https://www.ratemyprofessors.com/professor/1625443","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:44.361370+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5MzAwNzMx","source_instructor_id":"rmp:1625443","instructor_name":"Robert Harron","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-11-22 19:21:43 +0000 UTC","comment":"Young, clear speaker, funny, and keeps you awake. Everything you could want in a math professor.","source_url":"https://www.ratemyprofessors.com/professor/1625443","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:44.361370+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5MTMxNzcy","source_instructor_id":"rmp:1625443","instructor_name":"Robert Harron","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-10-31 11:15:46 +0000 UTC","comment":"He is a very good professor, very clear and understanding. The subject is very difficult, but he basically takes the textbook and clarifies it and dumbs it down. I wouldn't say he's fantastic, but very good compared to other teachers.","source_url":"https://www.ratemyprofessors.com/professor/1625443","quality_rating":4.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:40:44.361370+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5MDYwODgz","source_instructor_id":"rmp:1625443","instructor_name":"Robert Harron","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-10-11 13:17:11 +0000 UTC","comment":"He is a very good professor, He is normally clear about what he says in the class and has a very good grasp of the material. He likes to induce interest in his class by showing practical examples of how these math concepts are put to use in real life. He does do a lot of unnecessary examples and proofs in the class though.","source_url":"https://www.ratemyprofessors.com/professor/1625443","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0MjExNjc4","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-03-28 12:26:13 +0000 UTC","comment":"He MAKES MATH EASY!haha....He's definitely the best Math professor....Easy exams!! SO take his class you will get high grade! &.. someone said he's like a santa clause..I agree!LOL","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzOTIwNjUx","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-12-29 02:02:14 +0000 UTC","comment":"He was an amazing teacher for calc 1.  I recommend him to anyone.  i did terrible in calc in high school and taking this class really made me understand it.  He lets you use like three pages of notes on every exam and the exams are extremely easy.  If you don't get at least a B in this class u messed up.","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzODU1NzE0","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-12-17 16:03:25 +0000 UTC","comment":"Calc IS HARD -But Wilson is a good prof.  Do all the homework EVERY week/day.  If you get a bad grade it's your own fault and/or because Calc is hard.  _-I got a bad grade, and it IS my fault.--  Wilson=GOOD","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNjY0OTEx","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-11-16 01:39:30 +0000 UTC","comment":"well, his class is comprehensible,easy to understand. And he never gives us homework!!The only thing u should be aware of is to choose a good TA!!!","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEyMDM1NDA1","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2006-06-26 18:52:18 +0000 UTC","comment":"He's like Santa Claus....only he teaches calculus.","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTExODY1OTA1","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2006-05-11 00:18:19 +0000 UTC","comment":"Excellent person, excellent professor.  Is very knowledgable and extremely personable.  Best professor I've had yet by far!","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTExODY0NTM0","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2006-05-10 21:22:58 +0000 UTC","comment":"This is an awesome professor. Explains everything very well and answers every question you may have. Lets you use three pages of notes on your final along with a calculator.  Will meet with you if you want help with your homework. Take this professor!","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTExNjg5NDYw","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2006-04-11 00:19:41 +0000 UTC","comment":"The best professor ive had here at madison.  Lets you use a calculator and sheet of paper on all exams/quizes.  Take him!!","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTExNjcwMTU1","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2006-04-06 18:59:33 +0000 UTC","comment":"Easlily the best Math teacher I'll ever have here.","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1NzQwMjA=","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-01-04 21:45:47 +0000 UTC","comment":"The course sucks in general.  Wilson is easy to approach and helpful in office hours.  Lectures were pretty useless (I slept through about half of them).  Mid-terms weren't too hard.  Final exam sucked.","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0ODc0MzY=","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-12-11 18:15:01 +0000 UTC","comment":"He talks very fast, and jumps around. Exams semi-hard. He does try to make class interesting tho.","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0MDQwMTY=","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-11-28 12:55:50 +0000 UTC","comment":"he goes too much into detail in lectures. medium difficulty on tests. very picky on tests. take him if you have had calc before.","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:40:13.157247+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEyMTM5OTg=","source_instructor_id":"rmp:239910","instructor_name":"Robert Wilson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-10-23 09:09:46 +0000 UTC","comment":"Loves teaching, will always the time when you have questions. Funny!","source_url":"https://www.ratemyprofessors.com/professor/239910","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTExNzI1MTQ0","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2006-04-18 19:14:48 +0000 UTC","comment":"The guy rambles, he is hard to keep up with, I never knew what was going on.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTExNjIwMjI1","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2006-03-27 21:02:05 +0000 UTC","comment":"Worst professor ever!  Doesn't really teach, just rewrites the book horribly on the board.  This class killed my gpa.  Do not take dickey","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM2MjE0MTk=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2005-04-13 19:02:43 +0000 UTC","comment":"Worst professor ever. He needs to take some teaching classes. His lectures consist of Dickey writing illegibly on the board while mumbling to himself. The TAs could keep up with helping teach the subject matter. His examples were his explanations rewritten with new variables. Avoid this prof.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM1MDk4NDI=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2005-03-27 21:59:38 +0000 UTC","comment":"Dickey is one of the worst professors I have ever had. You cannot read his handwriting at all, and when he is writing on the board he is standing infront of it talking.  You also cannot understand what he says. DO NOT TAKE A CLASS FROM HIM!!!","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMwNjA0Nzg=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-12-17 17:42:34 +0000 UTC","comment":"yea, if you haven't taken a calc course before this class you're screwed.  only good thing about him is that he appears to be a jolly man, however he's a terrible professor","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMwNTQyMDc=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-12-17 02:16:48 +0000 UTC","comment":"Wow...what could i understand  not handwriting, not hismumbleing and facing the board... i understood him durring only one lecture... the last one... you are better off reading the book","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":2.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4OTEwMjM=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-12-02 18:02:09 +0000 UTC","comment":"The concepts arent as hard as his tests and teaching method are. He mumbles, stutters, doesn't explain problems as much as prove EVERYTHING. If you have a little problem with Calc or math, do not take him.  also, watch out for his Chinese TA. speaks a little english but hard to learn from.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4ODgyMzc=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-12-02 14:39:47 +0000 UTC","comment":"DONT TAKE DICKEY! He cant teach.He stutters and mumbles while facing the board the entire class. If you've taken calc before his tests aren't too bad. If you dont know calc youre gonna have to learn on your own. He doesnt explain anything goes too fast and writes in illegible abbreviated cursive.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4ODY1NTE=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-12-02 12:36:16 +0000 UTC","comment":"Here's an equation to remember (5 credit calc) = (don't take dickey). The tests are only five large questions that cover a months worth of material (not cool). So half of what you study isn't on the test. Forget how to do some technique on a test or two, and you get a C in the class.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4NzY5ODA=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-12-01 16:52:49 +0000 UTC","comment":"this guy sucks. i speak on behalf of all of his calc 221 lectures for the fall 2004 semester. he's fidgety, he stutters really bad, he goes too fast, makes way too many mistakes, i stopped going to lectures because i ace the tests by reading n learning from the book. find another professor.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4NTMyOTI=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-11-29 16:14:26 +0000 UTC","comment":"mumbles, rarely looks out to the class, almost impossible to read his writing.  Easier to just learn material out of the book.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2NzIzNTg=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-11-08 01:51:36 +0000 UTC","comment":"Tests are really easy, just be able to teach yourself out of the book and your set with an A","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2Mzk5MzE=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-11-03 00:28:19 +0000 UTC","comment":"He starts to talk before the class quiets.  He mumbles and talks directly to one of his 6 sliding chalk boards.  His penminship is so messy, you cant follow anything he says.  One good thing though, he does lots of good examples in class.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2MDc1MTE=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2004-10-28 05:42:20 +0000 UTC","comment":"Ridiculously hard to follow, mumbles, unclear handwriting, unaccessible.  If you want to learn intro calc, take another prof.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTkzNTAzMQ==","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-05-07 11:47:54 +0000 UTC","comment":"No Comments","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTg0MDgzMg==","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-04-16 03:36:22 +0000 UTC","comment":"Lousy writing, expects you to already be an expert on the material, mumbles","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTY4ODAwOQ==","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-03-08 15:31:19 +0000 UTC","comment":"No Comments","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:21.497923+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTU4MDQ5Ng==","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2003-02-18 01:28:26 +0000 UTC","comment":"Mumbler","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMyMzY1NDk2","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-11-06 03:36:24 +0000 UTC","comment":"221 and 222 were my favorite math courses at UW-Madison because of Professong Song. She would take the time to write out proofs to some of the concepts we were going over and though I'm no genius nor a mathematician I appreciated this because some of the proofs were simply beautiful. This brought a level of love to math that is not often seen.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzMDQzNTk5","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-04-15 19:22:30 +0000 UTC","comment":"Professor song is thorough, clear, and well spoken. Her accent is a little thick, but you can understand her. She makes jokes and she is always available to help. Also, her exams are not too difficult. Easily my favorite math professor at UW","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIyMjY4OTAy","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-11-06 18:03:55 +0000 UTC","comment":"Prof. Song is awesome! Super nice!!! And the tests are not that tricky or hard. Strongly RECOMMEND!!!","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIyMjM1NDI1","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-10-30 17:58:12 +0000 UTC","comment":"Very hard to understand! Have only gone to 5 lectures to realize I can learn more from the book... TERRIBLE!!!","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIyMTkwMzEy","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-10-18 03:41:13 +0000 UTC","comment":"absolutely horrible NEVER EVER TAKE THIS CLASS","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxNzUwMzM3","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-05-13 19:40:52 +0000 UTC","comment":"Super difficult to understand. Lectures were straight from course booklet. TAs were not very helpful at all. Luckily I took Calc in high school, so did not have to ever study for the class.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxNjA1Nzkz","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-04-25 16:00:47 +0000 UTC","comment":"Calc is calc and that doesn't change. But I truly think that she is one of the better teachers. Very helpful if you go to office hours. But the math project sucks...","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxNTczNzk5","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-04-21 16:34:14 +0000 UTC","comment":"She was brutal. Very hard to understand her if you aren't the same nationality as her. You can tell she is very intelligent but she is one of those people who cannot explain things very well. That said, if you took AP Calc in high school this class will be easy and you could do a better job with explaining things than her.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMjk5NDk2","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-01-27 15:55:36 +0000 UTC","comment":"It is the best professor. Very easy course and GPA booster.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTg5NzYx","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-31 13:43:28 +0000 UTC","comment":"I don't wear my bike helmet on my way to lecture because I want to die before I make it to this class.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTg1Mzk3","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-30 01:57:12 +0000 UTC","comment":"Amazing math ability. Clearly explanation. Reasonable evaluation.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTYxNjA2","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-24 02:45:16 +0000 UTC","comment":"Easy. I love proofs. The professor is really good at math, and answer all my questions quickly and clearly. In fact, the TA is awful.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTQxMDMw","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-20 20:12:53 +0000 UTC","comment":"Class is not as difficult as some make it out to be, but I guess it depends quite a bit on the TA you get. Exams are manageable if you are solid on the concepts covered. She also posts practice exams that often look like the actual exam. Textbook isn't all too helpful, and lecture is barely helpful at best.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTIwOTkx","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-19 01:12:33 +0000 UTC","comment":"She doesn't teach you anything. Just goes and writes notes that you could find on your own in the book. Also spends a lot of time doing unnecessary proofs.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMDg1MzYw","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-15 23:01:08 +0000 UTC","comment":"She's as bad as it gets. Can't say it any better. I despised her almost as much as I despised my TA for the whole semester. She has a Ph.D from Harvard, is clearly smart, but is a terrible professor. Don't take this class, period.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMDgyMjI0","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-15 15:58:45 +0000 UTC","comment":"She's as bad as the other reviews say.  She has an accent and lecture's are monotone and boring, but she gets the job done.  This is for many their first college math class, so it's a shock.  She's very thorough with notes so you won't need to look at the book, but she does do  lots of proofs.  The HW's doable, on the tests, just be very detailed.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMDAxODY5","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-09 23:05:47 +0000 UTC","comment":"Very useless lectures.  I had already taken the class , yet when I attended lecture she confused me and I wish I had not gone.  Tests are difficult and difficult to prepare for because notes are so boring.  useless textbook.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwOTkxNDYx","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-08 15:18:44 +0000 UTC","comment":"Her tests have the same format as the practice tests she gives us. And there are no trick questions, so pretty straight forward. She gives really good notes, and easy pre-lecture quizzes.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwOTkxNDQw","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-08 15:15:24 +0000 UTC","comment":"She has really helpful notes with plenty of examples. Her pre-lecture quizzes are easy points (if you remember to do them). The only thing I don't like are the projects. They're simple, but not very useful. I'm pretty sure it's in every math professor's syllabus so she has to assign them.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwOTUyMTA3","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-04 21:24:16 +0000 UTC","comment":"she is a great teacher and the test is pretty straightforward. Do the Practice test before the test, then you will be fine.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwNzcyMzA5","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-11-03 13:37:38 +0000 UTC","comment":"Quite possibly the worst professor I have ever had. Prone to handing out long, tedious assingments, extremely difficult tests, and annoying projects while simultaneously failing to describe any of them.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwNzU4Mzcy","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-10-31 11:31:01 +0000 UTC","comment":"Can't understand her. Messes up on her own problems. She can't explain stuff to people. She never knows if she answers the question a student answered. Obviously, never a good sign. Her tests are extremely hard. I took calc in highschool and still wouldn't recommend it as a class to take if you took calc. Drop her get a different prof. end of story","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwNTQ1MzE4","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-08-04 19:32:15 +0000 UTC","comment":"do not take without having attained confidence/proficiency with high school calc-for those (such as myself) with no background, learning from her is impossible. class was useless and terribly difficult. she offers negligible help, laughed when i expressed my lack of background and has has a terrible accent. i am attentive, yet she taught me nothing","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMzMwMDcx","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-05-22 16:44:22 +0000 UTC","comment":"Terrible, terrible teacher. Lectures were drawn out and hard to follow. She taught backwards, starting with examples and finishing with explanations. Horrible professor. Never take her.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMzA1MzU4","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-05-17 20:17:54 +0000 UTC","comment":"Very, very hard class, made harder by her as a professor. She does a terrible job explaining concepts, and the way she simply speaks to the chalkboard is very frustrating. If you can, take someone else. The exams are incredibly hard, and the weekly quizzes her sections have to take will try to trick you in the harshest way possible. Bad instructor.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMjY5NjI1","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-05-13 02:43:33 +0000 UTC","comment":"Her tests are ridiculous and she  doesn't explain concepts at all.  I'm sure she's a nice person but she is an awful professor.  Make sure you do the homework and go to your discussions if you want a relatively good grade.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMjYyNTky","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-05-11 19:01:57 +0000 UTC","comment":"She's not easy.  Studied for a week before both midterms and only got B's on both.  Lectures are useless, so it really all matters on what TA you have.  If you have a good one, you'll be ok.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMjM1Mjg0","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-05-09 01:03:39 +0000 UTC","comment":"You don't really have to attend lecture. She basically just writes notes from the book and does practice problems that you could do on your own time. Tests are very hard. It is a difficult class and she doesn't really spark interest at all. You just have to get through it.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMTg4NjMw","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-05-03 16:08:39 +0000 UTC","comment":"She is nice and willing to answer questions, but her lecture is really boring. About the exam, I think if one can prepare for the exam according to her guidelines, the exam will not be hard.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMTU5ODMw","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-04-30 22:49:10 +0000 UTC","comment":"Not a good professor at all. Her exams are extremely difficult compared to homework and examples gone over in class. I studied very hard for the second exam and could not even finish with the short amount of time allotted. I recommend someone else.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMTUwNjUz","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-04-29 22:42:59 +0000 UTC","comment":"I did not learn anything about calculus in this class. The stuff taught in class is a proof or example that is not at all relevant to what is on any of the tests. Way harder than it needs to be.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMDY0NzMz","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-04-17 14:18:48 +0000 UTC","comment":"Had absolutely no calculus knowledge prior to this class, and it's safe to say I have no calculus knowledge after taking this class. Do not take her unless you already have a solid background knowledge of all the concepts that 221 covers. Impossible to learn from her endless theorems and useless proofs","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMDY0Mzc0","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-04-17 13:33:43 +0000 UTC","comment":"Her exams are impossible. She says that she will give you the second derivative, but then doesn't. She isn't impossible to understand, but doesn't answer questions. She uses proofs that are unnecessary and that wastes a lot of time. The homework is a breeze compared to the exams. Take someone else.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMDYwOTY1","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-04-16 22:13:19 +0000 UTC","comment":"Teaches by unneccesary proofs and wastes time that way instead of using examples. Things on tests incorporate many things learned. Examples of this are rarely found in the homework. I reccomend taking another professor.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwMDA0MDUz","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-04-05 16:04:42 +0000 UTC","comment":"Very hard professor. If I didn't love calculus as much as I do, I would have developed a genuine distaste for the subject based solely on experiencing her teaching it. If you have a choice, take a different professor. This one doesn't answer questions very well.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5OTE1MTY0","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-03-15 20:44:46 +0000 UTC","comment":"No need to read textbook. Exams are easy if u understands homework. Questions in homework are based on lecture note. Overall is easy if u have good high school background. Got an A in 1st midterm and did well on quizzes.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5ODA1MjE0","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-02-06 23:09:25 +0000 UTC","comment":"Tests were challenging, but if you really knew the subject you'd do well.  Make sure you either took calc in high school or read the text book like the bible, because she teaches by proofs.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5NjQ2MDI5","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-12-31 11:57:09 +0000 UTC","comment":"I went into her office hours to get help because I didn't understand a topic. She said, "try harder." Obviously, no help whatsoever.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:39:08.738727+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE5NjE4Njgy","source_instructor_id":"rmp:1618056","instructor_name":"Ruifang Song","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2011-12-25 01:50:41 +0000 UTC","comment":"Overall, not good but not bad. Lectures are from the textbook but that isn't necessarily a bad thing. Her definitions use a lot of "math language" so they are okay. TA's will help clarify concepts so it makes it all okay. I got a BC and A on the midterms and thought I failed the final and ended up with an A so I guess the curve at the end is good.","source_url":"https://www.ratemyprofessors.com/professor/1618056","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:36:56.815114+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE3OTI3MDg3","source_instructor_id":"rmp:1106112","instructor_name":"Sarah Bockting","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-12-13 08:08:28 +0000 UTC","comment":"extremely helpful TA. Explains things so they become very easy. If you have a chance to have her i recommend it","source_url":"https://www.ratemyprofessors.com/professor/1106112","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MTg5NTE4","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-26 16:40:11 +0000 UTC","comment":"Not much homework. Confusing lectures. Terrible at relaying information. Nice guy. Too many proofs during lecture. Difficult grading. Tests are either really easy or really hard. Can skip lecture and find how to do hw online. Quiz once a week. Uses odd math notation. Makes things more complicated than needed. Don't take unless taken Calc previously","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MTEwNjM1","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-16 22:23:50 +0000 UTC","comment":"Professor Sean Paul is one of the worst lecturers that I have ever had. I do not see any point of even attending his lectures since he only talks long and obscure theorems that don't even show up on the test. I highly recommend not taking his class. ","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MDkyMDMz","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-15 20:33:40 +0000 UTC","comment":"Sean Paul was tough. His lectures are very theoretical, so it helps to have an idea of what is going on BEFORE each lecture, and then go home and find more direct explanations of material online. The first exam was a piece of cake, the second one was impossible, and the final was very fair. Expects you to have \"a mastery of trigonometry\".","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MDA4MTcy","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-09 20:59:22 +0000 UTC","comment":"I stopped going to lecture when I realized he never teaches anything important, only proofs of simple things that are overly complicated.  Get a good TA to explain things to you or you won't do well.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzNjIyMTM2","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-10-01 10:58:44 +0000 UTC","comment":"Sean Paul is too smart to be teaching such low level math and he expects all of his freshmen students to be experts in calculus before taking the course. We have a textbook but we do not use it at all as Sean Paul writes his own homework problems that even tutors can not understand or help with. ","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2OTkxODY4","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-04-13 23:41:08 +0000 UTC","comment":"He's like a hurricane= Unpredictable","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MDE1NzUw","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-11-18 11:11:47 +0000 UTC","comment":"Awful class, awful professor.  Took problems off test because he couldn't do them.  Lectures don't teach you anything because you can't understand him- he's in his own world.  Homework is easy, but he tests are absolutely impossible.  There are much better professors out there.  What ever you do, do not take his class.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0NDcwOTkz","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-05-14 21:10:10 +0000 UTC","comment":"DO NOT TAKE THIS CLASS unless you have previously taken calculus.  In fact, I would recommend not taking this class at all.  Exams are impossible and he gets lost in his own thoughts and assumes everyone knows what he is talking about.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0MDk2Mjcx","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-02-14 22:56:11 +0000 UTC","comment":"Prof. Paul is really out there and loves laughing at his own jokes. He was hilarious tho! Don't take his class if you haven't had calc before. It will be impossible for you because he doesn't teach the basics. If you listen in lecture and study the problems he does in lecture then you should get an A in the class.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0MDkzMDA1","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-02-13 18:56:47 +0000 UTC","comment":"Dont take him. Lect was 100% pointless..He gives HW, then tests on stuff that we didnt have HW on after he said everything on the HW will be what we are tested on. The first test was super easy, he didnt like that so many ppl got A's and then the last two tests were just SICK! He knows his calc but cant teach it well at all! :(","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0MDM3MDE5","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-01-23 23:34:46 +0000 UTC","comment":"I'm pretty sure he's a new professor and he was very confusing. Exams were ridiculous and didn't cover material that he assigned on homework or talked about in class. Had to be corrected many times in class when doing examples.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzOTE4NTcy","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-12-28 15:29:42 +0000 UTC","comment":"After a ridiculously easy first midterm, Prof. Paul decided to make up for it by posing impossible questions on both the second midterm and the final. The homework was pointless because nothing on the exams was based off the homework, but instead from his intelligible lectures.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzODU0MzY5","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-12-17 13:53:49 +0000 UTC","comment":"Sean Paul is awful. He will not answer questions or emails. He goes off in lecture about things you don't need to know. His tests are completely random and almost impossible to study for. Only take his class if you've had calc before and have a great TA!","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzODUwNDM0","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-12-16 22:43:18 +0000 UTC","comment":"decent professor if you already took calc in high school...class would probably be difficult if you're taking calc for the first time...numerous funny moments in lecture due to prof's amusing anecdotes/jokes!","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNzU2NDE2","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-12-05 20:13:32 +0000 UTC","comment":"Really knows calculus and quite brilliant, but he's young and doesn't have the teaching finesse of a good professor.  As the year passed, he got better at lecturing.  In a few years, this guy will probably be a very good professor, but I would advise against taking him now unless you already have a good grasp of calculus. Funny guy though.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNzE3MTQy","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-11-28 23:11:43 +0000 UTC","comment":"He assumes everyone already knows what he's talking about. Skips steps during lecture and is very very confusing.  He is funny, but if you haven't taken Calc do NOT take him","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNzE1NjY2","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-11-28 19:49:06 +0000 UTC","comment":"Do not take from him if you've never taken Calculus before, you will get very lost.  I am doing well in this class only because my TA is amazing.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNzA2MjI0","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-11-27 14:43:32 +0000 UTC","comment":"funniest teacher i've ever had. didnt have to go to the lectures, and i still got an A. dont take this guy if you've never taken calc before, but if you have its absolutely hilarious every class.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNTUxMTky","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-10-23 11:03:11 +0000 UTC","comment":"You can tell he knows what he's doing, but he just doesn't know how to teach it. He assumes everyone in the class already knows what he's teaching, and skips around in lectures. It's an easy class if you've already taken calc, but I would definitely avoid it if you are learning fresh.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:35:12.431224+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNTIzMjk1","source_instructor_id":"rmp:1029779","instructor_name":"Sean Paul","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-10-12 16:17:19 +0000 UTC","comment":"Lets just say he isn't the song artist.","source_url":"https://www.ratemyprofessors.com/professor/1029779","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:34:51.922443+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0NjQxMjU5","source_instructor_id":"rmp:1929872","instructor_name":"Sergey Bolotin","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-04-21 21:08:17 +0000 UTC","comment":"Proofs.  Lots and lots of proofs.  Nothing but proofs","source_url":"https://www.ratemyprofessors.com/professor/1929872","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:34:51.922443+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MTg2NTIw","source_instructor_id":"rmp:1929872","instructor_name":"Sergey Bolotin","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-25 19:45:30 +0000 UTC","comment":"As far as professors go, Bolotin is a fine one for calculus I. Lots of people seem to complain that the information is not explained well and that Bolotin writes \"useless\" proofs about the material during lecture. However, I thought that the proofs given were helpful in concept visualization and that Bolotin did a fine job explaining basic calculus","source_url":"https://www.ratemyprofessors.com/professor/1929872","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:34:51.922443+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzNjg5Njc0","source_instructor_id":"rmp:1929872","instructor_name":"Sergey Bolotin","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-10-23 22:51:02 +0000 UTC","comment":"Material covered in class is nowhere near as hard as the tests -- be warned!","source_url":"https://www.ratemyprofessors.com/professor/1929872","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:34:49.975369+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxODk3NjI0","source_instructor_id":"rmp:607852","instructor_name":"Serguei Denissov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-06-16 19:09:24 +0000 UTC","comment":"Definitely avoid this professor. His lectures did not relate to the tests at all really. All he did was prove pointless things on the board. The tests were also very hard, and he basically threw anything at you and didn't prepare you at all. Without previous calc experience this class would have been impossible.","source_url":"https://www.ratemyprofessors.com/professor/607852","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:34:49.975369+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMjU4Mjg0","source_instructor_id":"rmp:607852","instructor_name":"Serguei Denissov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-01-14 18:45:24 +0000 UTC","comment":"Terrible professor,not personable&terrible at explaining!!Always goes over proofs that will never be tested. Book used is compiled lecture notes with no examples&confusing explanations.Midterms are ridiculously hard,average was 50%.Best he gave us for idea of grade was “good,ok,&should consider dropping.”TERRIBLE PROFESSOR!SWITCH WHILE YOU CAN!!!!","source_url":"https://www.ratemyprofessors.com/professor/607852","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:34:49.975369+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTc1NDEx","source_instructor_id":"rmp:607852","instructor_name":"Serguei Denissov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-27 16:57:38 +0000 UTC","comment":"Least favorite teacher.  He does not explain how to solve problems or how the exams will be graded.  Especially avoid if you have not taken calc before! Hint: copy everything on the board and find a math genius to decode the nonsense later!","source_url":"https://www.ratemyprofessors.com/professor/607852","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:34:49.975369+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTY4NTUy","source_instructor_id":"rmp:607852","instructor_name":"Serguei Denissov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-26 11:06:40 +0000 UTC","comment":"He is a really smart guy, using complex notations and teaching tricky problems. However, he knows his material very well, as well as math. He tries to make you understand the concepts, not just be able to memorize equations and plug in numbers. Very nice man!","source_url":"https://www.ratemyprofessors.com/professor/607852","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:34:49.975369+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTMwMjgw","source_instructor_id":"rmp:607852","instructor_name":"Serguei Denissov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-19 20:36:26 +0000 UTC","comment":"Hilarious professor. Spends a lot of time on proofs which is useless when compared to exams though. Recommended only if you have taken calculus before!","source_url":"https://www.ratemyprofessors.com/professor/607852","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:34:49.975369+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTE4ODI3","source_instructor_id":"rmp:607852","instructor_name":"Serguei Denissov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-18 22:00:26 +0000 UTC","comment":"Lectures are boring, generally solves proofs.  Having a good TA helps.  Exams were difficult, even having taken calculus in high school","source_url":"https://www.ratemyprofessors.com/professor/607852","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:34:49.975369+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwOTEzNTIy","source_instructor_id":"rmp:607852","instructor_name":"Serguei Denissov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-11-29 15:51:23 +0000 UTC","comment":"He is Russian with a heavy accent, but you'll get used to it eventually. Very smart and tends to skip over some of the \"basic\" steps, so stay alert. I went to his office hours, nice guy and helpful too. His tests are hard and besides; this is college Calc. Don't expect to be spoon fed everything. Study hard, do lots of problems and you'll be fine.","source_url":"https://www.ratemyprofessors.com/professor/607852","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:34:49.975369+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwOTEzMzE4","source_instructor_id":"rmp:607852","instructor_name":"Serguei Denissov","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-11-29 15:30:38 +0000 UTC","comment":"Definitely the worst math teacher I've ever had. His exams are ridiculously hard compared to everything else and the grading scale is very harsh. The exams also only have 4-5 questions. The text is also useless, it isn't a standard book, instead its a collection of lecture notes that don't help. I would not recommend him to anyone.","source_url":"https://www.ratemyprofessors.com/professor/607852","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:34:07.122981+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMyMzczMzMz","source_instructor_id":"rmp:196238","instructor_name":"Sharad Chandarana","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-11-07 03:31:56 +0000 UTC","comment":"One of the most charming, charismatic, and authentic professors at UW. Had him for 7:45am lectures and he couldn't make lectures more engaging. Absolutely loved his class and would recommend to all. Hilarious dude! Was blessed to have him for two semesters.","source_url":"https://www.ratemyprofessors.com/professor/196238","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:34:07.122981+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMxOTAxMTc3","source_instructor_id":"rmp:196238","instructor_name":"Sharad Chandarana","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-05-17 16:42:43 +0000 UTC","comment":"Worst professor Ive ever had. Terrible at lectures with students, extremely hard grader, not considerate of students. Going to his lectures result in a worse grade than just skipping lectures and teaching the content yourself.","source_url":"https://www.ratemyprofessors.com/professor/196238","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:34:07.122981+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMxMDI5MjY2","source_instructor_id":"rmp:196238","instructor_name":"Sharad Chandarana","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-12-14 18:49:56 +0000 UTC","comment":"All I have to say is do yourself a favor and AVOID at all costs.","source_url":"https://www.ratemyprofessors.com/professor/196238","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:34:07.122981+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMwNzQ4NTQ5","source_instructor_id":"rmp:196238","instructor_name":"Sharad Chandarana","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-11-17 19:50:17 +0000 UTC","comment":"The worst professor I've ever had- came out knowing less than when I started. He scribbles on the board all class & then expects us to have a super-power that would enable us to read his hieroglyphics AND understand it. Take this class if you wanna never go to lecture and teach yourself.","source_url":"https://www.ratemyprofessors.com/professor/196238","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:34:07.122981+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzNTg1MzA3","source_instructor_id":"rmp:196238","instructor_name":"Sharad Chandarana","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-09-09 20:37:45 +0000 UTC","comment":"Very hard to follow him online. Hardly replies to doubts via mail. Teaches from his notes. Deducts heavy marks for simple mistakes.","source_url":"https://www.ratemyprofessors.com/professor/196238","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:34:07.122981+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxNTkzODk1","source_instructor_id":"rmp:196238","instructor_name":"Sharad Chandarana","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-04-24 11:35:53 +0000 UTC","comment":"Brilliant professor for anyone who's not actually good at math and trying to derive anything too complicated from the lecture that are provided by the class he provides. Great teacher.","source_url":"https://www.ratemyprofessors.com/professor/196238","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2MTQ2ODkx","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-03-15 20:10:49 +0000 UTC","comment":"Awful.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2MDMwNTAy","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-02-04 23:07:05 +0000 UTC","comment":"Lecture does not seem to have any clear direction. You may be able to understand the lecture, but when it comes to the homework and tests sometimes you wonder if they are even for the same class. Going to office hours results in you working the problems out on the whiteboard, and she makes you tough through them which can be good and bad.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":3.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1OTk3OTA3","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-01-26 23:43:23 +0000 UTC","comment":"The worst.  Avoid at all cost.  She does not follow the syllabus or the book so it's next to impossible to find explanations in the book.  Tests are hard.  You will fail if you don't work hard.  The good part about her is the massive amount of mistakes she makes while doing explanations.  There are a ton.  It's hilarious.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1ODQ5NzI1","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-30 14:56:09 +0000 UTC","comment":"Tests are extremely tough and she's obsessed with apples and uses them a lot in lecture so some material may be confusing.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1Nzk0OTE3","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-21 20:00:04 +0000 UTC","comment":"She seems nice and funny. She has online homework twice a week that takes maybe 30 minutes each and written homework once a week that takes maybe an hour. Quizzes once a week that are of medium difficulty. Her exams are total garbage. She doesn't really prepare you well for them. Also shes really into participation which is annoying. leave me alone","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1Nzg1NDM3","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-20 22:48:34 +0000 UTC","comment":"I would've given her an all 5 if it is the beginning of the semester. Her lecture was really good then. However, in the last month she made her lecture the most confusing by making series of mistakes and skipping key concepts or didn't explain them as well as what she did at the beginning of the semester. I just ended up watching online lectures.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1NzcxMjgw","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-19 11:04:22 +0000 UTC","comment":"She makes LOTS OF mistakes on lectures, assignments, moodles, even exams. She even messed up her last lecture before the evaluation. It is funny she always skips what you really need to know (i.e. fundamental theorems of calculus). I believe there are better professors for Calculus 1.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1NDIzMjEy","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-11-16 16:40:32 +0000 UTC","comment":"Although her lecture is clear, she spend too much time in discussing the basic definition and rules and little time in how to apply those things which she requires students managing to do in the exams.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE3MDUwNDQ3","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-04-23 21:42:09 +0000 UTC","comment":"Shirin is a great professor. Lectures are very well organized and she presents the material very well. Exams are challenging, but definitely doable. Most exam questions come from the book so take the time to do extra problems.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE3MDE5ODgz","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2010-04-19 15:31:40 +0000 UTC","comment":"WORKED MY ASS OFF. On final i got a 55/150 and that was considered 10% above average... She is a great lecture teacher, u learn alot but her tests were flat out unfair. She does not curve well, like at most 5% even if class avg was 55%, so get ready for that.  at a","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":4.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2NjM1MDQ5","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-12-24 02:16:35 +0000 UTC","comment":"I really liked her as a prof but her class is very hard and tests are ridiculous. Although, there is a curve at the end.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":4.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2NjAzNzE3","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-12-19 14:55:36 +0000 UTC","comment":"Great professor and explains the concepts of calculus very well. Frequently makes mistakes during lectures though. Her midterms aren't bad, most the time they're questions directly from the book. And her final has a lot of similar questions to previous midterms. As long as you do the assigned problems and pay attention, it should be pretty easy.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2NjAyNDMz","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-12-19 11:20:39 +0000 UTC","comment":"She is the best professor I ever took in Wisconsin! Most of her exam will be on the examples of the textbook. So please do read textbook example carefully!","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2NTY2NjE2","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-12-15 22:08:58 +0000 UTC","comment":"I actually really liked her. She did a very good job of explaining concepts and doing examples. That said- Calc is an extremely difficult class, plus a lot depends on the quality of the TA you are assigned, so it still is tough to do exceptionally well.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2NDAyODU2","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-11-19 22:52:55 +0000 UTC","comment":"She covers the material very broadly leaving you or your TA to fill in.  However if you have a TA who doesn't even speak in class like I did, you basically have to teach yourself or spend unnecessary time in the math lab.  Curve is unfair.  I did better than the class average on exams and I will still get a D in the class.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2MzIzMTY5","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-11-05 22:21:58 +0000 UTC","comment":"Had Calc before - found this class to be rather difficult. If you've had Calc before it shouldn't be too hard because she'll review most basic Calc I concepts but her exams can be difficult if you don't prepare well. Homework and attendence isn't necessary but highly recommended since it nets you extra points. Not a bad class, just not great.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1NDAwMjY3","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-01-21 19:14:17 +0000 UTC","comment":"Despite her foreign sounding name, her accent does not at all hinder her clarity of speech.  Her clarity of teaching, however, is more of a problem.  She's very scatterbrained, and frequently messes up problems.  If you can get by this, she cares about how well her students do in the class.  She's a very nice woman!","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":2.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1Mzk4OTA2","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-01-21 14:42:02 +0000 UTC","comment":"A fine teacher.  She is foreign, but her accent is totally understandable.  She has fair tests and as long as you do the homework, you will be fine.  I got an A and didn't take even one page of notes thru the class.  You will spend lots of time on the mandatory homework.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MzU2OTY3","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-01-12 01:48:45 +0000 UTC","comment":"Despite the name she speaks very well and her accent is understandable.  You get points for coming to lecture and doing the worksheets. About 500 points total in class(100 discussion, 100 for each of two midterms, and 200 point final)  Exams are not bad if you study old exams and do homework.  Old exams will give you a good start on studying.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MzM0MjI0","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-01-07 15:10:57 +0000 UTC","comment":"Very fun a quirky teacher! She got a little scatterbrained and messed up a few examples when she was working through them, but everyone makes a couple mistakes especially in front of hundreds of college students. She kept my interest. exams don't reflect the previous years, but she probably got through more material than last year","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MzAwNjEy","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-12-31 17:12:33 +0000 UTC","comment":"Very thorough lecturer. Some thought she was annoying, but I didn't mind her. Calc is a very hard class, but she is a great teacher. A good TA is also very helpful. Exams can be hard, and don't accurately reflect the old practice exams. Any extra tutoring/office hours are encouraged. Join math tutorial program if you're struggling - good practice.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MjU0MjMz","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-12-20 21:45:25 +0000 UTC","comment":"She's nice~don't be surpirised if she draws apples and uses 47 all the time~her class is helpful and she uses work sheet to record attendence. A good lecturer, she makes 3 lectures a week don't seem to many.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MjMzMzE5","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-12-18 14:07:51 +0000 UTC","comment":"She is very helpful and wants you to do well.  The class can be hard, but there is a big curve at the end.  I recommend her if you have to take calculus because she will prepare you well for future math classes.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0OTg2NDk5","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-11-13 01:10:05 +0000 UTC","comment":"pretty usefull","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0NDcyODEz","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-05-15 01:30:03 +0000 UTC","comment":"Required lectures, and weekly quizzes. Great lecturer, and VERY approachable. Provides examples in lecture and keeps everything simple. First time teaching math 221, but does a great job of preparing for calc 222 cuz she normally taught that. High class avg on tests, around 80 each time, so there is virtually no curve. 93% overall required for an A","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0NDMwMjQz","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-05-08 14:48:20 +0000 UTC","comment":"Very easy tests.  Explains and re-explains every concept almost too much if you have any idea what is going on.  Required lectures and TA quizzes part of total grade.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0MzY0ODc2","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-04-29 00:42:29 +0000 UTC","comment":"Very clear and does lots of examples.  The tests are super easy.  She really cares about students and tries to keep everyone engaged.  I will definitely take her again if I get the chance and I whole-heartedly recommend her!","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:33:31.614136+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0Mjg1MDM0","source_instructor_id":"rmp:481453","instructor_name":"Shirin Malekpour","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-04-13 18:47:25 +0000 UTC","comment":"Ignore the 114 comments; Shirin is approachable and a good professor for calc if you keep up with the material. Go to lecture and discussion, do some homework, and focus on concepts. Tests are fair--don't let the problems out of the book scare you too much, her tests are a lot simpler. Not an easy class, but that's what math 211 is for.","source_url":"https://www.ratemyprofessors.com/professor/481453","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxNTE5NTQ0","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-04-11 13:40:16 +0000 UTC","comment":"He is an awful professor. His book is basically useless, because it has mistakes consistently through the whole book. Don't take any of his classes, steer clear of him.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMjkzOTE4","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-01-24 22:06:03 +0000 UTC","comment":"Went into incredible detail about the proofs for the calc. The lectures are not the most exciting lectures in the world.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMjkwMTgx","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2013-01-23 21:39:25 +0000 UTC","comment":"Only take this class if you absolutely need to. If you tested out of it, do not take this class to get a \"basis in college calculus\" because it is a class of proofs of calculus theories. Unfortunately, Angenent is the \"best\" prof to take 221 with, even though he rambled on and on about the simple topics but almost never got to the difficult ones.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMTU5MTcy","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-23 16:47:34 +0000 UTC","comment":"He was a great teacher. Wrote the text so his examples were like ones in the book. Easy to understand. Exams aren't horrible. Class is curved at the end.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIxMDgzOTE3","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-12-15 19:37:52 +0000 UTC","comment":"Sigurd is very nice and funny, but it IS Calculus. It's not a fun class. It's challenging and the lectures drag on. You should definitely only take it if you need it for your major.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwODk1MTcx","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-11-27 16:09:20 +0000 UTC","comment":"Nice professor, very clear. Exams are not very hard.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwODQ3MzA2","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-11-15 22:39:22 +0000 UTC","comment":"He really is the greatest professor I have ever met!!!! The exams are not hard at all and he has review sections!! As long as you do the sample exam you'll probably get an A. He also gives extra credits policy!! Just take his class!!!! His lectures are really clear. I doubt if there is anyone cannot his lecture!","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwNzQ3MzI1","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-10-28 20:42:13 +0000 UTC","comment":"Absolutely horrible. There is not point in going to lecture because it wont help with the test. the \"textbook\" was written extremely poorly and probably by him. i took calc before and did very well, what he teaches i question to even be calculus. you cant even find what he teaches online to even try and figure it out yourself. UW needs to fix this","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIwNjk2NTg1","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2012-10-12 09:40:12 +0000 UTC","comment":"The course is not that bad at all, but there are a lot of relatively new concepts that you need to learn. Out of ALL the Math 221 professors, Prof. Angenent gives the HARDEST TESTS, but on the other hand he is ABSOLUTELY BEST at explaining concepts and answering questions. Attend his lectures regularily and you will do fine","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1NjczNDY4","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-04-19 19:25:51 +0000 UTC","comment":"I had Sigurd for both221 and 222.  The notes were great for me as it saved $.  Ppl who like learning from a book won't like the notes though. The answers he gives for HW have a lot of errors which is a pain. Tests were fair but the classes he teaches are pretty hard. Sigurd is really quirky and speaks perfectly clear. Liked him enough to take again","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MzAxMTA0","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-12-31 21:00:10 +0000 UTC","comment":"He's really quirky and it's super entertaining. I'd had calculus before, so I liked that he showed the proofs in lecture, but it made a few of my friends confused as hell. You don't have to take notes on them or know them for the tests, except for frickin epsilon-delta proofs. His wife taught my class the last two weeks, and she was a lot clearer.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1Mjg2NjQw","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-12-28 02:26:20 +0000 UTC","comment":"He is a good professor and i really enjoyed him.  Easy to follow if you go to lecture. A lot of proofs during lecture, but it helps show how the formulas were derived. A fair grader.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MTczMTg2","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-12-12 07:45:42 +0000 UTC","comment":"Pass on this teacher. My suitemate has his wife and we agree that she teaches the same class far better. If you could avoid him, I would","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1MDYxNDU5","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-11-25 16:19:02 +0000 UTC","comment":"Ok teacher.  Boring lectures and gives more proofs then examples which makes the class more difficult than it should be.  Doesn't use a textbook, but uses his own lecture notes which does save you money.  Lecture notes although have plenty of errors and very few examples.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE0ODY4ODg2","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2008-10-14 15:53:26 +0000 UTC","comment":"He is an alright guy, but boring. From someone who has taken calculus before, my biggest thing against him is that he uses his own lecture notes which are basically useless, riddled with errors, and show few examples besides proofs. Change professors if you get him.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzOTEyMjQ3","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-12-26 22:14:02 +0000 UTC","comment":"A decent professor who is knowledgeable about what he is teaching. Very good with helping students one and one, but not so good at lecturing. Lectures were often very disorganized and he tended to go off on tangents frequently. Angenent uses his own notes instead of a textbook, but the notes were not very understandble and were filled with typos.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":2.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNzExOTA5","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-11-28 11:15:42 +0000 UTC","comment":"Good Professor, Lecture is helpful and he cracks some jokes, didn't use a book which was good for my wallet, if one student emails him he responds to the whole class in case someone else had the same question, Exams are towards the more difficult side,I'm taking him again for 222!","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNjk3ODI0","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-11-25 23:37:23 +0000 UTC","comment":"Good teacher, great personality,  packet instead of book is hard to follow. TA's imo were useless, often crowded with ppl and no answers for hw or packet problems.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:55.547660+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTEzNjA5Nzcw","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2007-11-07 00:41:20 +0000 UTC","comment":"he is definitely a good prof in math dep, but make sure you follow and understand his own notes,not the book,because exams are referred to them.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMzMTExNjU0","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2020-04-23 07:12:38 +0000 UTC","comment":"lecture is a waste of time, I never had any idea what he was talking about, he was either going over pointless proofs or spending hours on the easiest topics. TAs are super important in this class, use homework and discussion sheets to study. I probably wouldn't have done as well if I hadn't already taken calc in high school with an amazing teacher","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMxNjA3ODU5","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-04-16 22:51:34 +0000 UTC","comment":"Lectures were often filled with unnecessary proofs, but homework and exams were fair and he made his expectations clear. TAs were helpful and discussion was useful for understanding the material. Not the most interesting lecturer, but Simon provides you with what you need to understand Calc 1.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMxMzEyOTYx","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-01-28 18:39:26 +0000 UTC","comment":"Simon is definitely a solid choice of professor for this course. His TAs are also very kind and capable. Worksheets are very helpful and well written. Good vides in the classroom!","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMxMjk0NDgy","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2019-01-23 05:34:04 +0000 UTC","comment":"Good guy. Smart guy. Not the most engaging or concise lecturer.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMxMTY1NDky","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-12-27 23:48:31 +0000 UTC","comment":"Cool guy. Meh professor. Goes on and on about unnecessary proofs and theorems. Like for a long time. Not the best at explaining concepts, but not the absolute worst.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMxMTE0MzEx","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-12-20 10:37:13 +0000 UTC","comment":"I would not recommend taking Calc 1 with Professor Marshall. He is a tough grader and he does not give much partial credit on exams. His lectures are boring and he constantly talks about proofs that are not required for the exams. He makes intro calc more confusing than it needs to be (I took AP Calc in high school and I was more confused at UW).","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3ODA3Njc0","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-02-06 14:19:24 +0000 UTC","comment":"Simon literally would just sit in front of the class and test proofs the whole time. Going to lecture is a waste of your time. Kahn is the man, but seriously this course is very hard if you have not taken Calculus before. Retaking is with a different professor and she is 100 times better.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3NzQxMzAz","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-01-17 10:30:02 +0000 UTC","comment":"The guy knows his stuff. He has a nice New Zealand accent to listen to, even though his lectures are a bit boring (but what math class isn't?). You won't get to use a calculator on tests or quizzes, but the math is simple enough to do in your head or on paper. The tests come directly from course materiel so don't expect something you've never seen.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3Njg0NzMw","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-01-06 14:21:20 +0000 UTC","comment":"Very intelligent, but not a good teacher unless you have at least some background with calc. Many of his lectures were theory based and would go off on tangents to complete proofs that weren't relevant to the material. Tests were fairly easy if you understand the worksheets given in discussions but make sure all work on tests is shown clearly.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3NjM1NDQ0","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-12-28 13:45:32 +0000 UTC","comment":"Worst math teacher ever. Says he'll curve the class but doesn't in the end. Lectures are super boring and pointless. Doesn't explain what he's doing or how he got there. Would not recommend.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3NjE5Mjk2","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-12-24 22:50:43 +0000 UTC","comment":"Simon speaks good English and he can get all the topics across to you. He isn't amazing by any means but you can definitely do well in the class with this professor. He spends an annoying amount of lecture time on theory and proving why a rule works, but his tests are overall fair. I will say that the grading did seem harsh at times.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3NTk5OTY5","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-12-22 01:04:59 +0000 UTC","comment":"Simon Marshall is a smart individual and knows what he is talking about. I find his lectures to be very theory based as well as his tests. I, personally have had calculus in high school so I didn't think the course was too rigorous. He does use the textbook and posts his notes online.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3NTgzMDA0","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-12-20 17:29:26 +0000 UTC","comment":"Professor Marshall is not the greatest math professor. If you have not taken prior calculus classes, his class will be near impossible unless you spend hours outside of class with your TA or watching lots of Khan Academy. The lectures make no sense and he does not give lots of useful help when you need it. Choose him if you want a challenge.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3NTgyMjUy","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-12-20 16:35:19 +0000 UTC","comment":"When you go to his office hours he is pretty helpful, but in his lectures he doesn't answer questions or tells people to see him after class. He is kind of intimidating, but can be funny. His tests are nice because the practice tests are about the same length or less than the actual thing, but sometimes just as hard.  You also get to drop 2 quizes.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3NTUxODcx","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-12-18 01:46:49 +0000 UTC","comment":"Boring lectures. Grading is ridiculous, takes off points for showing too much work.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3MjkwNTMx","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-11-30 18:35:43 +0000 UTC","comment":"He was terrible. His lectures make absolutely no sense, if I hadn't taken Calculus in high school I would have struggled so much. You might as well not even go to lecture if he is your professor because you won't understand anything he is talking about. I would definitely advise to avoid having him as your professor.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3MjgwMTk1","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-11-29 22:21:05 +0000 UTC","comment":"If I had not taken calculus in high school, this class would likely be impossible with Prof Marshall. His lectures are very unclear, and he is not good at explaining his methods. Don't bother buying the notes as they are online and don't help anyway. Ask questions during discussion because others are probably just as confused as you.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3MjcwMTU4","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-11-29 01:09:56 +0000 UTC","comment":"His lectures tend to be quite unclear and very proof-heavy. At times it is difficult to follow the steps he is taking when giving examples, and sort of expects that everyone in the class already has an idea of the topics he is covering. That being said, the tests are quite fair and if you put in the work outside of lecture you will be fine.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3MjQyNDA3","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-11-22 14:41:17 +0000 UTC","comment":"He teaches math 221 or first-semester calculus. Beware. This class is terrible without previous calculus classes. Many people in the class have taken calc AB or BC in high school and still struggle. He teaches like everyone already knows whats going on, so if you're like me with nothing but precalc, get ready for the worst semester.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3MjAzOTk4","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-11-16 17:59:18 +0000 UTC","comment":"Awesome guy","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:32:47.622900+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI3MDI1MzM2","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-10-10 14:01:50 +0000 UTC","comment":"Half the time I have no idea what he's talking about- his lecture notes are all over the place and he doesn't give enough examples for some of the harder topics. He also has a tendency to move on in the material even though half the class doesn't understand what was just covered. He also doesn't answer everyone's questions.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:30:52.461996+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2NTg2ODE2","source_instructor_id":"rmp:1229130","instructor_name":"Steve Bauman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-12-17 17:34:13 +0000 UTC","comment":"This professor really helped me understand the difficult material.  If you do the homework, ask questions and attend lecture you'll do just fine.","source_url":"https://www.ratemyprofessors.com/professor/1229130","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:30:52.461996+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2MjE2Mzc1","source_instructor_id":"rmp:1229130","instructor_name":"Steve Bauman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-10-02 00:43:48 +0000 UTC","comment":"Lecture was basically useless...he did more confusing than teaching.  Book was the best source of info","source_url":"https://www.ratemyprofessors.com/professor/1229130","quality_rating":3.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:30:52.461996+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE2MjEyMjAy","source_instructor_id":"rmp:1229130","instructor_name":"Steve Bauman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-09-30 00:39:39 +0000 UTC","comment":"Grades and the tests are extremely fair, make sure you study previous exams on the math library website. Lectures are very useful, spends a lot of time using proofs, but also does a lot of examples so make sure you go to lecture. I understood Calc rather than just 'did' it because of him. Probably my favorite professor in the math department.","source_url":"https://www.ratemyprofessors.com/professor/1229130","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:30:52.461996+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1ODk5NzEw","source_instructor_id":"rmp:1229130","instructor_name":"Steve Bauman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-05-26 21:14:28 +0000 UTC","comment":"If you are not a math major, this is the class for you.  First, if at first you don't understand something, don't panic, Bauman will give plenty of examples.  Second, he allows notecard(s) on exams.  Homework is not mandatory, but can boost your grade.  I bombed the final and still managed an A/B.  He's also a nice guy and lectures are worthwhile","source_url":"https://www.ratemyprofessors.com/professor/1229130","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:30:52.461996+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTE1NTU5NzMx","source_instructor_id":"rmp:1229130","instructor_name":"Steve Bauman","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2009-03-23 22:11:03 +0000 UTC","comment":"Likes to show proofs, but doesn't really just show how to do the problem.  Pretty unclear as to where he gets many of the the things he writes.  Previous calc experience is an absolute necessity if you plan to understand anything whatsoever...","source_url":"https://www.ratemyprofessors.com/professor/1229130","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5NDgzOTEy","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-05-17 14:57:33 +0000 UTC","comment":"Very nice person who clearly knows a lot about math but has absolutely no idea how to explain it. Just talks about mathematical things he thinks is cool instead of teaching the exam material, and has no problem with exam averages consistently being in the low 70's. Projector or computer breaks at least once a lecture as well.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5Mjk4MTAw","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-04-29 15:21:34 +0000 UTC","comment":"Very nice, funny guy. Caring as well. As a professor, absolutely not. I have never taken calc, and the way he taught it was like a foreign language. He wrote very fast in lecturers, yet you cant understand his writing. He has a thick accent, and he makes mistakes in lectures all the time. I stopped going cause it was a waste of my time. Dropped it.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5MjU4NzIw","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-04-25 00:19:31 +0000 UTC","comment":"ADORABLE, funny, and kind, but a bad professor. His accent is not bad though like people say. He is disorganized and does nothing but proofs, and makes a decent amount of mistakes during lecture. He is very bad at explaining things. 87% of your grade is based on 3 exams. ","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMwMjkzMDkx","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-06-24 22:13:24 +0000 UTC","comment":"Tonghai is such a funny character it's hard not to love him. He could be hard to understand if you haven't been exposed to a Chinese accent much, so sit up front if you haven't. Haven't been unable to take calc before college, the class was pretty difficult for me, but the TAs were helpful and Tonghai was patient with explaining concepts.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTMwMTM0ODM2","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-05-17 10:38:00 +0000 UTC","comment":"Tonghai is a good math professor whether you have taken AP clac in high school or if this is your first time with calculus. He has a bit of an accent but truly cares about what he is teaching and throws in some pretty great jokes. If you have any questions, do not hesitate to go to his office hours. He really cares that you understand the material.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NzYwMjMx","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-04-07 20:16:06 +0000 UTC","comment":"Tonghai is a great professor as long as you have taken calc 1 before. Provides awesome expansion on calculus concepts but does not review the basics. Tests are exactly like the practice exams and less challenging than the content he teaches in class.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NDg5NzQw","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-22 21:12:35 +0000 UTC","comment":"Was a really nice guy and easy grader. His accent made it a little tough to understand.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NDg0NjIx","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-21 20:50:58 +0000 UTC","comment":"Tonghai's lectures were pretty hard to make it through, but he was caring and overall a great guy. His exams were pretty easy if you did some studying.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NDczMDU2","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-18 14:01:36 +0000 UTC","comment":"Tonghai is a really good professor who actually cares about his students. I sucked at Calc in high school and when Tonghai explained it, it finally made sense. However, if you don't have somewhat of a basis in Calculus this class will be hard for you.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NDU1ODQ5","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-15 19:44:04 +0000 UTC","comment":"Tonghai is the sweetest man -- it's clear he really cares about his students. He was always positive, upbeat, and humorous during lecture, made me want to go everyday. His accent is a bit hard to understand at first, but it only takes a week to get used to. I did take AP Calc in high school which helped, but he is a fantastic teacher if you try","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5NDIwODY0","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-09 14:01:56 +0000 UTC","comment":"Hard to understand at first but you get used to it. Teaching is kind of all over the place. I would recommend seeking out outside tutoring or Khan academy for help.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5Mzk3MTI3","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-05 19:30:56 +0000 UTC","comment":"Hard to follow at times but his hilarious demeanour and passion for math makes up for it. Didn't take calc in HS but managed to get an A. Tests are doable as long as you get 100% on the hwk and do well on discussion quizzes. Complete your discussion worksheets! Gives a TON of extra credit. Not the best teacher but if you work hard you'll be fine","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5Mzc3NjI3","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2018-01-03 01:34:26 +0000 UTC","comment":"Tonghai is the nicest cutest man ever. That being said, if you did not take calc in high school, DO NOT take 221 with him. Lecture is good for refreshing your knowledge, that's about it. Tests are very fair. If you took calc you'll be great. He's so funny and stuff, lecture is enjoyable.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MzU1OTA4","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-29 12:48:45 +0000 UTC","comment":"Tonghai's accent is a bit difficult to understand at first but you can figure out what he is saying 99% of the time after the first week. He's a good man and loves his job and mathematics but this class will be very tough if it is your first time taking Calculus.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MzM5MjU4","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-26 17:40:29 +0000 UTC","comment":"Yang's lectures are quite disorganized. He bounces around from topic to topic, and it can be difficult to understand the flow of ideas that he is presenting. It's also difficult to understand his thick accent. The textbook that is required does help a bit but it's difficult to comprehend. Weekly quizzes should be studied for, not easy.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5Mjk3MTQ4","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-20 19:58:13 +0000 UTC","comment":"Tonghai is a nice guy but goes through material very quick and jumps around in his work, making following along difficult. Don't bother buying the packet/book the math department tells you to buy, you'll never use it. If you took calc before, showing up to lecture most of the time and paying some attention will get you a decent grade in the class.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5Mjg5NDI1","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-20 10:49:47 +0000 UTC","comment":"Tonghai is a caring guy. He gives lots of extra credits to make sure you have a solid opportunity to get an A in his class. Good choice for first semester calc.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MjAwMTEz","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-14 14:22:17 +0000 UTC","comment":"Tonghai is a really nice guy and decent professor. I took calc in high school, so his charm and personality made me content with going to lecture everyday (I could've skipped and still got an A). He truly cares about his students, and I think it's obvious.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MTk2MDQx","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-14 11:08:48 +0000 UTC","comment":"Nice guy. If you've taken calculus in high school the class should be fairly easy.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MTg2NTU0","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-13 21:05:41 +0000 UTC","comment":"Professor Yang is the kindest soul, he is extremely understanding & very passionate about math. You can't help but be excited when coming to his class because he loves his job. At first his accent is very heavy, but give it a week & you'll be able to understand him perfectly fine. He gives lots of extra credit and only wants his students to succeed","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MTU1ODAx","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-12 15:57:57 +0000 UTC","comment":"I took AP Calc AB in highschool, but for some stupid reason I retook it here. With that being said, this class was very easy for the most part. The online homework allowed multiple tries so those were easy points, and the weekly discussion quizzes were fair. Tonghai is a funny man and is caring for his students. Accent for me wasn't too bad.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI5MDg4MTIx","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-12-07 19:48:30 +0000 UTC","comment":"If you took calc in high school, I would definitely recommend Tonghai. He goes fairly deep into the theories of calculus but it usually isn't necessary to learn for the tests. That said, if you have never taken calculus before, he might go over only one or two examples of things that will actually be on the test. He does have a thick accent too.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4OTg5MjEy","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-11-29 14:20:09 +0000 UTC","comment":"Great guy","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4OTU3NjAw","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-11-24 13:49:54 +0000 UTC","comment":"If you've already taken calc in high school and you didn't get credit for it, but you know what you're doing, Tonghai is very entertaining. Wouldn't recommend him if you need to actually learn the material though.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2MDc3NzQ2","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-02-22 21:39:58 +0000 UTC","comment":"He is a little hard to understand, but he does know what he is talking about in lecture. He gives plenty of extra credit which helps out a lot. Not much on the test is a surprise as long as you follow in class.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":2.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI2MDM3ODI1","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-02-08 12:31:32 +0000 UTC","comment":"Switch profs immediately if this is your first time taking calc 1. This was my third year taking calc 1 so I never went to lectures and still got an A. The TA's are pretty lenient graders and give a lot of partial credit. The online quizzes and homework are based on the highest grade with unlimited tries which is nice.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":1.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1OTgxMjM0","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-01-22 15:22:24 +0000 UTC","comment":"Professor Yang was a nice professor but his accent made learning in the class difficult. He knows his information and is passionate about math but seems to have trouble organizing the information. There are a few extra credit opportunities which were very helpful.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1OTc4MTQz","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-01-21 20:32:54 +0000 UTC","comment":"bad","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1OTcyMzY2","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2016-01-20 20:33:02 +0000 UTC","comment":"Kind of hard to understand, but if you took AP calc the class is pretty easy.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1ODE3NTAy","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-24 01:27:03 +0000 UTC","comment":"I took AP Calc BC in high school and found his class easy. But if I didn't, I would likely find his class confusing rather than challenging. Lectures are not very concise and to the point. His accent is thick but isn't a big deal since it's math--I got used to it in two weeks. Pr. Yang is a very kind and warm-hearted man. Ask him about his charity.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":4.0,"difficulty_rating":1.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1NjgyODc4","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-14 12:44:26 +0000 UTC","comment":"Tonghai is the worst 95% of the time. ","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1NTMwNDc3","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-12-02 20:12:06 +0000 UTC","comment":"I took calculus in high school and got an A, and I am struggling because of the way he teaches, and the TA I have is not helpful at all.  I wouldn't recommend this prof.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1NDc4NjM1","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-11-23 21:24:20 +0000 UTC","comment":"I took calc in high school, so I wasn't overly challenged by the material covered in his class. The class is structured well, and there are numerous chances for extra credit (precalc reviews, research papers, ext). Very hard to follow sometimes in lecture, and he likes to write useless proofs on the board. Tests are easy. Not a bad teaching option.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1NDIwNzA2","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-11-16 12:30:10 +0000 UTC","comment":"Can't understand a word he says. I've been teaching myself all semester.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1Mzk1NTI5","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-11-11 22:19:10 +0000 UTC","comment":"Very hard to understand. Confusing lectures but gives lots of extra credit. ","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:33.273217+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI1MjU0OTc3","source_instructor_id":"rmp:2043547","instructor_name":"Tonghai Yang","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-10-14 23:43:11 +0000 UTC","comment":"Hard to understand. Explains things in difficult  roundabout ways. Confusing teaching style. Hard to understand.","source_url":"https://www.ratemyprofessors.com/professor/2043547","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTQwNzc3MzMw","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2025-03-16 22:35:15 +0000 UTC","comment":"This is for Math 222, not 221. He's a good guy, but I think he forgets these are pretty difficult concepts for people who are first learning them. Goes at superspeed through examples without explaining that well. I am very lucky I have a good TA that has basically taught me the course.","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5NzE1MzU4","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-08-29 23:13:36 +0000 UTC","comment":"MATH 221's grade is very exam heavy, The Organic Chemistry Tutor is better than Travis Olsen, it's very easy to lose points on discussion quizzes and homework. My advice for an A is to skip lecture, do past exams and ignore all other content and try to attend all quizzes. There are better conceptual explanations on the internet especially areas. ","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5NTY2ODc3","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-06-12 14:24:52 +0000 UTC","comment":"Grade is mainly based on exams and lectures weren't amazing as he goes through concepts quickly, but they were ok. If you study outside of class and take as many of the past/practice exams as possible you'll be fine. Past exams use similar set up and questions so go through them. ","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5NDk2MDE3","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-05-20 10:17:42 +0000 UTC","comment":"This man will not respond to any of your emails. Avoid at all costs.","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5NDU0OTk3","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-05-14 00:13:55 +0000 UTC","comment":"Olson was a totally solid professor. He's a very clear speaker and is relatively funny. Class is certainly difficult and you will need to study outside of class to get a good grade (shoutout to Professor Leonard on YT). However, the tests are well structured/fair in the sense that they are quite similar to the practice tests. So study those a lot.","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5NDI4NzQy","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-05-10 05:52:20 +0000 UTC","comment":"He was a solid lecturer, sometimes went too fast but pace was ok most the time and he'd crack jokes or randomly sing which kept me awake. I ended up doing most of my learning from the TA but the lectures were useful for introducing me to the topic. This class is very exam heavy(29% of your grade for each of 3 exams) so be ready to lock in for exams","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5MzQ0NTM3","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-05-02 20:06:13 +0000 UTC","comment":"Professor Olson was great at lecturing, however the way that the class was distributed for grades made it extremely difficult to get a good grade. 87% of your final grade are from two midterms and the final exam. ","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":5.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5MzE2MjM4","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-04-30 19:38:04 +0000 UTC","comment":"Travis was a decent professor. However, he often gets sidetracked and forgets to thoroughly explain brand new concepts to the class. If you haven't taken calc before, you may struggle with him as a professor. Some things you need to teach yourself. ","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5MjkxNjQ3","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-04-28 20:04:32 +0000 UTC","comment":"I don't recommend Travis as a professor if you don't need to. He goes too fast during lecture without explaining himself which almost makes the lecture pointless. You're going to want a good TA if you have him. You need to teach yourself almost everything. Taking calc before this would maybe make it better, but if you haven't good luck.","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5MTk5Mjc1","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-04-18 04:09:57 +0000 UTC","comment":"I think he's a funny guy, and would occasionally make jokes in lectures. He's got a swag dad vibe and I somehow love it. The class is not easy by all means, but I'd say he did his best with the weirdly structured syllabus. Exams were doable as long as you study a lot from past exams as they were pretty similar.","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM5MTI1MDg1","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2024-04-15 17:25:43 +0000 UTC","comment":"Always cheerful and funny during lecture and makes the content as easy to learn as it can be. Yes, the course is difficult, but that's because it's calculus. He said he's taught calc for almost two decades which is evident by his ability to explain things in the most intuitive ways. The mathematical notations he uses are also helpful and make sense","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM4MjM3MDEw","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2023-09-27 01:11:26 +0000 UTC","comment":"Travis was funny and seemed to care a lot, but he was just kind of confusing and hard to follow. He's fine for the class, like you'll do fine, but be prepared to teach a lot of it to yourself. The exams are way harder than anything you go over in class and don't seem to fit the stuff he actually taught.","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:25:20.314968+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTM4MTkyNzcx","source_instructor_id":"rmp:2912119","instructor_name":"Travis Olson","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2023-08-28 21:21:08 +0000 UTC","comment":"Average professor. He is just fine for Calc 1 since you are probably better off learning most of the material by yourself anyway. Tests were actually pretty hard with class averages often falling into the low 70s and high 60s. It was curved by a letter grade at the end of the semester though.","source_url":"https://www.ratemyprofessors.com/professor/2912119","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-10-14 18:24:22.558228+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI4NDY0Nzgx","source_instructor_id":"rmp:1503053","instructor_name":"Uri Andrews","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2017-06-18 20:21:43 +0000 UTC","comment":"Great funny guy who cares about math but I wouldn't recommend him for calculus 221. The structure was so bad that unless we calculated we didn't know our grades. The class had to be curved so much because the scores were so low on a basic calculus class which should say something about how hard the exams were.","source_url":"https://www.ratemyprofessors.com/professor/1503053","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-10-14 18:20:27.873433+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0Nzk4NTQ2","source_instructor_id":"rmp:1780797","instructor_name":"Yao Yao","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-05-11 15:10:32 +0000 UTC","comment":"She is a good lecturer and is very organized. She describes concepts well and the course load isn't terrible. There were these group projects through that were long and didn't help you very much. There was also online homework as well as written homework, which seemed unnecessary. But overall, a really good professor.","source_url":"https://www.ratemyprofessors.com/professor/1780797","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:20:27.873433+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0NjAzMTM0","source_instructor_id":"rmp:1780797","instructor_name":"Yao Yao","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-04-15 17:08:01 +0000 UTC","comment":"Yao did a really good job of explaining things.  There was little to no curve, so you have to know your stuff.  If you dounderstand the homework the tests are fair, but sometimes she likes to throw in a problem or two that make you think beyond what she taught in lectures.  Discussions were not helpful, you were just given time to do worksheets.","source_url":"https://www.ratemyprofessors.com/professor/1780797","quality_rating":3.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:20:27.873433+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MzEwNTEz","source_instructor_id":"rmp:1780797","instructor_name":"Yao Yao","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-01-20 14:37:18 +0000 UTC","comment":"Yao is a great professor. Her lectures are clear and the exams are not that hard if you worked on the problem sheet. There are other easier 221 classes if you just need math credits, but if you really want to learn something, I highly recommend her. Even I'm not her student any more, she's still willing to help me with my math problems.","source_url":"https://www.ratemyprofessors.com/professor/1780797","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-10-14 18:20:27.873433+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0Mjk4NzEx","source_instructor_id":"rmp:1780797","instructor_name":"Yao Yao","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2015-01-16 18:26:41 +0000 UTC","comment":"Yao was always very available and helpful, gave you ample amount of resources to pass. Yao was always very helpful in class open to questions, and occasionally funny. My only big complaint all year was that there is little to no curve, so you have to know your material well. ","source_url":"https://www.ratemyprofessors.com/professor/1780797","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:20:27.873433+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MTA5NDE2","source_instructor_id":"rmp:1780797","instructor_name":"Yao Yao","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-16 21:08:46 +0000 UTC","comment":"Professor Yao is great.  Her lectures are well organized and go over the material well.   She is very clear about expectations and good at explaining everything.  ","source_url":"https://www.ratemyprofessors.com/professor/1780797","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:20:27.873433+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MDkwNTQ5","source_instructor_id":"rmp:1780797","instructor_name":"Yao Yao","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-15 18:56:42 +0000 UTC","comment":"Professor Yao is a very nice professor. Very clear in lecture and sometimes really funny! Like any other math class, if you don't do the assigned math homework, practice problems, or don't go to lecture, there is a high chance of not passing. Final was average, expect challenging problems!","source_url":"https://www.ratemyprofessors.com/professor/1780797","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:20:27.873433+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTI0MDczNjQz","source_instructor_id":"rmp:1780797","instructor_name":"Yao Yao","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-14 14:39:32 +0000 UTC","comment":"Easy lectures","source_url":"https://www.ratemyprofessors.com/professor/1780797","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-10-14 18:20:27.873433+00:00","run_id":"20261014T203208-0851c9a1","source_review_id":"UmF0aW5nLTIzOTk5NDI0","source_instructor_id":"rmp:1780797","instructor_name":"Yao Yao","course_label":"MATH221","course_id":"MATH 221","course_uid":"course_cc1de60e9953cdd9c469e9a5","review_date":"2014-12-09 12:17:13 +0000 UTC","comment":"Yao is one of the best professors you can get for 221. Sometimes she's soft spoken so make sure that she has the mic positioned  well so you can hear everything. Her tests are extremely fair and there are no surprises on them. Sometimes she rushes steps in lecture, but if you ask questions and go to office hours you'll be fine. Highly recommend! ","source_url":"https://www.ratemyprofessors.com/professor/1780797","quality_rating":5.0,"difficulty_rating":2.0}]