I have him for a group theory seminar and he subsequently is foing on to teach quantum theory and linear algebra to us (and we are freshman). He does have a strong accent and can be confusing sometimes, but group theory is a confusing topic.

He was funny and tried to be helpful. He allowed us drop the lower of 2 midterms, and seemed to want us to do well. Overall, a good guy.

Good lectures, made it easy to both understand the concepts and do the problems. I wish he taught Math 53M this semester...

I never went to lecture and got an A in the class. Just do the reading from the book, all the assigned hw problems, and be sure to do well on the quizzes! If you follow that plan, you'll be juuust fine.

accent hard to understand sometimes, but overall very clear, made material easier to understand, easy-going, wanted to help us learn

This prof is hilarious. Made me laugh everyday I went to class. Great guy and a great teacher as well. One of the easiest Math 1B profs too.

Professor Reshetikhin is underrated. Despite his thick accent, his teaching style is quite effective. His lectures are organized, thoughtful, and thorough. He has a great sense of humor. His midterms are fair, bordering on easy. Highly recommended!

Nicolai is my research mentor, and I've been working with him for over a year; I think he's been an excellent teacher, and he's fully accepting of questions - however uninformed. He's extremely helpful and very knowledgeable.

One nice thing is if you miss lecture one day, you'll get very similar material in the next lecture. His midterms and finals were extremely easy, which I'd say is a bad thing. He is unorganized and unable to finish problems, promising to "post on we

He was a smart and easy professor. Tests were very simple but that's not always a plus. I would recommend him to anyone over some other math professors.

very funny teacher...makes math 1b very chill n relaxin...easy to understand most of the time. reasonable midterms and final...not a professor who dwells on proofs, mostly problems which arent too hard, but has a lot of true/false questions that can KILL

Very smart man, who in my opinion is above calculus, if that's possible. He wasn't given respect and people talked when he tried. He couldn't control the class. Also, lectures seemed to be just a repeat of the book, so I started skipping a lot of lectu

Much better teacher than my previous pass at 1b. Reshetikhin took the time to explain problems, was quite friendly, and seemed to be genuinely interested in helping everyone UNDERSTAND what he was talking about.

Excellent prof! he has a wonderful sense of humor, and is genuinely interested in making sure that his students understand what's happening. One of the best math profs that i've had at Berkeley thus far.

He is very good at explaining. His tests are too easy though. The Curve is always screwed up. He's friendly and entertaining and funny. Although, he has absolutely no control over his class. My gsi was awesome, find David Spivak.

TAKE IT WITH HIM!!!! He will make you laugh and does not come up with confusing stuff on tests.

A really funny guy. His lectures were hard to follow, but my GSI, Jared Weinstein (who is awesome), cleared up things that confused me in lecture,

He is a very very good math professor. Although he has a Russian accent, yet his passion and humor will make you concentrate in math. And his exams are not hard compared to others.

Reshtiknh has a strong Russian accent, but he seriously takes his time with the students so that they can comprehend the difficult material as much as possible. and his midterms/final are repetitive so studying is easy.

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This guy is great. He's hilarious and he's a genius and he sure knows how to teach.

Tries to bring humor into the classroom with lame jokes, but eases the tension. Wants his students to do well, nothing out of the ordinary on exams, if you study and do the work you will be fine. At first his russian accent throws you off with fast lectures, but eventually it starts to make sense.

His jokes weren't that funny, but he was a hilarious teacher. He was very passionate about math.

this professor is great. the last time i had math was 3 years ago, but i worked on lots of hw and past exam problems and aced the class.

In the beginning his russian is incomprehensible but it eventually starts to make sense. Tests aren't hard but if you get anything wrong big points off. His jokes are probably the funniest things I've ever heard in my life.

Funny, friendly professor and great lecturer. His accent isn't difficult at all to get used to -- however, he does have trouble articulating what he wants to say on rare occasions. There's no surprises on his tests, but expect to be hurt badly for careless mistakes.

graphs and probablity. wonderful class. sit and chat with an interesting prof about whatever crazy topology and weird advanced stuff he thinks is cool in a no pressure situation. stimulating and fun. no tests. tiny class with lot's of personal attention. what seminars are all about. probably the only reason i'm still considering a math major.

Math 1b is supposedly the weeder math class, but Reshetikhin showed that he liked his students to do well. His exams were on the tough side, but if you do the practice exams and ask questions then the class won't be hard to pass. Ask him to tell jokes; he's got some absurdly good ones. Daniel Erman is the sweetest GSI ever!

The rumors of this class being the "hardest math class you'll ever take" are blown out of proportion. If you took some sort of calculus in high school (hopefully BC), and put in a decent amount of work i.e. homework/practice exams, you'll be fine. Plus, this professor knows the material like the back of his hand, recommended!

He is a wonderful lecturer. He knows the material extremely well and his tests and quizzes are manageable. I definitely reccommend him for Math 1B given the rumors about the class.

Very good teacher. Takes about a week or so to get used to the accent and his style, but he's good. If you read the lesson ahead of the lecture things will work out a lot better. Tests are pretty decent, definitely do the practice tests. Good curve. Reshetikin proved that 1B isn't all that scary as everyone made it out to be.

Best teacher ever!... he's hard to understand at first but later everything makes perfect sense. He tells jokes in class, is fun to listen to, and teaches you everything u need to know. Midterms and final are fair.

He knows his stuff, and expects you to know the material he is teaching. A great lecturer that is very organized and provides clear explanations. Exams are very reasonable.

Very good lecturer. Love his corny jokes. Tests are fair, make sure you double check your answers!

The class is pretty straightforward. It isn't usually curved excessively... The questions on his quizzes are usually easy, sometimes they might happen to be tricky but not impossible. Same deal with his midterms. He's definitely fair and he'll provide you with a lot of practice and examples.. Funny too, ask him about his stories and jokes :D

Very fun prof with average tests. Loved his jokes, and his lectures are pretty clear. As long as you do the homework you should be fine (learned that the very hard way).

Easier than the other Math 1B profs, from what I've heard. The class is indeed pretty straightforward; no proofs on the tests, just know how to do the problems and examples front and back. Very fair. Reshetikhin's jokes silenced the lecture hall on more than one occasion.

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He has some of the funniest lame jokes I've heard. His accent isn't hard to understand at all. Very smart man. Good at explaining the derivations of things. Do all your homeworks and you'll get a B or higher.

Gotta love his math jokes; sometimes they don't make much sense but the way he sets them up still makes the class laugh. He was great at explaining concepts and liked to prove things during lecture; sometimes you won't completely get the proof but it usually helps anyway. I can't imagine a better Math1B prof. DO THE PRACTICE TESTS: best advice.

Fair. Tests you on understanding and application of the material, not on unfair, random things he mentioned once in lecture. Funny, kind, somehow clear despite his Russian accent. Not too difficult, do your homework, and DO THE SAMPLE FINALS/MIDTERMS. A few questions on the final were heavily based on problems or just lifted from the practice exams

Great Professor. Exams are fair and test the material pretty well. Final was harder than midterms but still fair. Loves his math jokes but can be helpful at explaining some complex issues. Hard class but he is one of the better professors if you need to get through 1B.

Good professor. Tries to be very clear during lecture and puts his lecture notes online. Good GSI is extremely helpful, for me it helped me stay interested in the class. Keep up with the work as always. Tests follow the format of the practice midterms/finals, so look through them. Good prof for an infamously difficult class.

Aw, I loved this man. Totally awesome professor. I hadn't taken math for two years before this, so struggled for a while, but I really feel like I got a grasp on the material. Loved the focus on proofs. He really seemed like he cared about our learning. His jokes were hilarious, though they didn't always make sense.

Reshetikhin is a superb math professor. He really cares about his students' learning and his lectures are straightforward. He is a very funny man and his Russian characteristics are both amusing and distinct. He helped in making my first semester at Cal. I definitely recommend him for lower division math.

It's 1B, so expect it to be hard because this is a weeder class, but he comes prepared and explains everything clearly. He posts his notes online, and gives you tons of past midterms and finals. His exams aren't easy, but they're incredibly predictable because the format is identical to his practice exams. Once in a while he tells a good joke. :)

Some of my friends do not like his teaching, but I think he is great! I like how he organized his course materials with his gracefully-written notes on the chalkboards. When he makes mistakes, he apologizes and explains it well. He is a humble man, and I really dislike some students who mocked at him when he makes mistakes. Have some respect!

Resh is a great teacher. His course was not as much of a weeder course as was Math 1B taught by other profs. He is super nice, and when he feels bad about lecturing for too long, he tells Russian jokes. Do the book work and read ahead of time! I learned to really enjoy math on this level because of this class. Take 1B with Resh!!

He is a great professor. He really cares about his students and is a very nice person. He sometimes goes through material very fast but he slows down to clarify when students ask. All of the people that complain about him just never ask questions or ask him to clarify.He is great.

He's worlds better than the other 1B professors (or so I hear). He's a great lecturer, and generally has charisma and a great sense of humor (something you won't find often with Cal Math). Fair tests with lots of samples, wonderful and personal in office hours. Shame he's stuck teaching 1B though. Highly recommend.

By far, Professor Reshetikin was my favorite professor at Cal! His class was EXTREMELY organized. Tests were predictable, because it mostly followed the textbook. There is no homework, but he assigned some that were optional. I highly recommend doing the homework he assigns and past exams. I WOULD RECOMMEND HIM SO MUCH!! :)

Lectures are straight from the book. He tells the occasional joke and his accent is often difficult to understand. Tests are very straightforward with few tricks.

Lectures very fast paced and assumes students have already read the chapter in depth. Don't go if you haven't looked at it, you won't keep up. Amazingly brilliant guy, tests are hard but fair. Know the theory and proofs to do well, not just how to do drills, though homework practice is a must.

His lectures are not hard at all! He reviews materials from the previous lecture and then goes into new stuff. He really likes to tell jokes in lectures lol. He is really cute and funny. Tests are fair. I personally think quizzes are harder than midterms.

Pretty easy class IMO. True and false are tricky and test depth of knowledge so beware. His lectures were pretty confusing but if you can teach yourself the class is easy, also Reshetikhin is hilarious and seems like a genuinely great, laid back guy.

You definitely get a "dad" vibe from Professor Reshetikhin. His stories are a delight and occasionally very funny. His lectures aren't very clear, however, so you will need to do extra reading. He gives quizzes weekly which is a drag, but overall very helpful. If you have a good GSI or work hard, class will be no problem.

Exactly what a professor should be. He explains things clearly, although perhaps a little boring. He does try to lighten up class with jokes. As for his tests, they are very straightforward. His tests are very predictable especially because he gives old practice tests, so as long as you do those and homework, you should be fine.

Tests were very fair, always had practice tests that were nearly identical to the real thing. Going to sections and doing homework is very helpful. Definitely difficult but doable. Be ready for weekly quizzes

His lectures were very clear and he went over previous problems on exams that prepared me well for tests. All of his notes are posted online for reference. I would attend lecture though because his explanations allow you to understand the material in great depth which is essential for the T/F questions. Great, caring teacher!

Super nice, good, and goofy lecturer. Gave us extra credit sometimes. Quizzes are hard as hell but exams are pretty easy. Went off tangent sometimes like teaching us imaginary numbers for 2 days even though it has nothing to do with the class.

He gives easy exams, basically from homework.

This class can be a bit unorganized, but Resh is reasonable and takes feedback. Reading the textbook can be more helpful than lectures. Resh will mostly write proofs that you won't need, but tells fun stories. Weekly quizzes are based on the HW. Take practice exams to prepare for real exams. Resh's T/F questions are pretty tough--need smart brain.

I really enjoyed taking this class, and I learned so much from it. As others have mentioned, the true/false questions can be difficult, but lectures really help with these. The professor explains concepts quickly, but I do think he is a kind and funny professor. He also gave us an credit opportunity!

Very accommodating given the pandemic. No problem with accent. Slow lectures. Quizzes and HW often but not too much % of total grade and not too tough. Good grade bins. Teaches well but a bit disorganized at times. Exams are similar to HW and quizzes with some extremely tough questions. TA team was smaller than necessary. Interesting stories...

Professor Reshetikhin was pretty good. The class overall was not too bad but his exams were tough, especially the True/False questions. He had some good jokes in class as well. I recommend taking the adjunct for Math 1B alongside this course for the most success. Shoutout to Hieu Nguyen, the greatest adjunct instructor.