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Good teacher, hard but fair. Highly recommended for math majors/math lovers, as he does lots of theories/proofs and lots of rigorous stuff. Not recommended for people who are poor at math and/or don't have a *lot* of time to study.

He is the man in that department. He is the only professor that always prepared. His test are hard but he teaches well and he expects results.

If you need to learn math, take his classes. He tests hard, but teaches harder. Completely worth it. P.S. He's one crazy dude; get over it and go back to doing homework.

He is a master on the field. Dedicated, always prepared for the class. He follows the Syllabus on time. He teaches hard and resolve the hardest examples.Do the homework and you will be prepare for his tests.He always available on office hours or appoinments. fair when grading.

This man is a true mathematician in every way. Go to his class, do the homework, and you'll want to master the subject like him.

I had this professor way in the days and I think he is the best professor I have ever had. And I have had alot of them. The man knows the material and always is willing to help you. Becuase of him now I have a masters in Math.

this guy is super nice, i didn't think his tests were hard at all -and he curves!! i've never had a math prof who curves. his class is however super boring he lectures the entire 1hr 45min-no brakes and lots of note taking!

This guy is so hot.... he is a MATHEMATICAL GENIUS !!! He is very clear and if you got a bad grade in the class its your fault!!! He knows his stuff and he has a sense of humor ... very nice guy !!!

He explains problems very well, his tests are a little tough, but nothing too hard... He'll always go over the hardest possible problems in class.

There is noone like him at this University. The man explains so well, if one fails is becuase he or she does not belong in a University setting. I would any class with him. Very helpful during office hours.

Awsome professor. You have to study though. His tests are usually easier than the problems he does in class, but you need to study. I did not even need the book for calculus 1. He is very clear and helpful. Don't be afraid to ask questions.

Got an A!! I'll take him again for Calc 2 if I can. He is very clear and does not come up with weird problems in his exams. However if you don't study you'll fail, unless you have previous calculus experience. I had to study a lot but it paid off. Awsome professor.

Great professor. He knows his stuff and is kind enough to start from scratch his explanations, meaning he will not assume you should know something already before taking this course. Brilliant and nice;Best math professor out there. Got an A ;) the course is difficult itself if you dont study or if math doesnt come easy for you! He'll help u.

I am currently taking his class and have gotten decent grades on the two tests. He only has two tests and a final. Make sure you do the homework assignments, even though he doesn't check them. He seems kinda weird but he's a nice guy. Make sure you know what you learned in Calc 1, it makes the class easier.

Calc 3 is challenging. He will explain it theorically, but you can always go to his office and he will explain with more examples. He gives old exams to study for upon request

Taken in spring 2007. I studied as if there is was no tomorrow. Our class had approximately 30 students only 4-6 student ended up with a passing grade. If you are a math major then maybe you can take your chances. His exams are unbelievable HARD.If you take him then HINT,HINT.(Expect your test questions will be the hardest ones in the chapters.)

I study a lot for this class, but he is a very hard professor, I went to his office a few times to ask for help, and he was always trying to help. But I will tell you this this professor is mayor in PHYSICS with a a Ph.D in Math, so be ready to work your butt off.

Took him for calc 2, if you're lazy then forget it. He does teach from beginning to end. Any book can teach theory but he does mostly examples which is good in my opinion. May get boring but overall great professor.

Great professor!

He is a nice guy- in a mad scientist kind of way. His tests are hard but not impossible. If you like math and have an internal drive to study it yourself, then this class will test your self discipline.

He is a great guy, kinda looks like Abraham Lincoln. But he's a very smart guy and goes through every thing in detail. So just take good notes and do all the h.w. he gives. So don't miss class , everything he teaches is on the exam.

very good proffesor, highly recommend him. Eventhough class is not mandatory, most of the exercises he gives on quizzes and exams are from class problems and h.w

Great professor. Gave 5 quizzes and 2 tests, all straightforward; class notes are detailed. Class examples can get really difficult but he doesn't put anything like it on the tests. He doesn't curve tests. His grading scale has a built in 5 pt curve though. The test questions come straight from the hw. Will tell you whats on the test. Recommended!

Best math professor i have taken at FIU!!!! He is super interested in what he is teaching and he is very clear explaining all the material. You have to study for his tests but the questions are straight from the homework and quizzes.

Might not pass the course but he's a great teacher. He knows what he's doing and will stop for questions. The tests are difficult but doable. If you're interested in learning the material well then highly recommended.

great professr. desnt really use the boook much but is an expert in the subject. everyone who criticizes him is most likely due to the fact that they did not receive a good grade. to sum it up this class is not easy people. you have to put serious time into your studies and practice for hours if thats what it takes. thats your job not the professor

I am the mathematician I am today because of this man. He is by far the best professor I have ever had. Some people do not appreciate quality, they prefer someone easy. Sad! they won't go too far in life.

Calculus 2 is not easy to begin with. Therefore, this class is very challenging! A lot of students fail his class. You have to set time apart and go during his office hours to help you out or get free tutoring in the green library. Your grade is based on 3 exams plus final. I'm passing the class with an A- because I actually like math and study.

Really nice, really helpful, incredible at math. His class is not easy and he may seem a little intimidating because of his overwhelming knowledge of mathematics, but he is very helpful in his office hours. Very patient guy and when he makes a joke (seldom) its hilarious always. Did some research and he has a Ph.D from Columbia University.

People comment that he's a professor for math majors. I would say in general, if you actually want to learn Calc 3, take his class. If you just want to pass, take someone else. I'm a math major and he was a great professor in truly teaching the course. People call him the "hardest" professor, but I think he just refuses to water down the course.

He's freaking awesome. Looks eccentric but truly knows his stuff and teaches well. I would definitely take him again. Plus his handwriting is like the neatest on the planet!

i took this professor and i studied very hard for his class, He is a really knowledge person, he knows his stuff and if you go to his office hours he will explain how to solve those problems. Honestly, you have to study for this class, DO YOUR HOMEWORK IN ADVANCED

He is such an intelligent guy and really knows his stuff! Take this class if you truly want to understand the material, but getting a good grade isn't that easy (meaning you can't just bs the whole semester). DO THE HOMEWORK! GO TO CLASS! Then you will pass!

Brilliant professor! He derives almost all of the formulas used and does many proofs. He grades very quickly, so you can expect to know your grade on a test/quiz within two days. The questions on his tests and quizzes generally come from the homework, so if you do it, you're ready. He is very helpful, so you can ask him any question.

Honestly in my opinion he is the best professor at FIU for Calc 2 currently. I've taken the class 4 times now (I am a bad test taker with a learning disability) and with him was the first and only time I passed. He curved the class' final grade and he rewards dedicated students. Show up, Show interest, Study and you WILL pass

There is no Calc2 class where you can pass without doing the work. That being said, Zweibel gives you the best chance to pass, with a 60 being a C. Even though he goes too deep in the material, it helps you study for the tests. Usually, the last section before an exam has a big part in a test. A nice guy; show that you're ready by asking questions.

I took Differential Equations with this professor and did well. I attended each and every lecture and copy each and every letter and number he wrote on the board. People complain about him, but I found on his tests the same problems from the homework and from the lectures. This professor has an amazing humor and knows extremely well the material.

Great professor, he really knows the material, although you will need to study on your own from the textbook. As long as you are able to do his homework problems, you will be fine. There are no curves or extra credit opportunities, but he is a very lenient grader. Take advantage of office hours, he will go over any problems you need help with.

MAA3200 in general is a tough class, very time consuming and requires so much reasoning, but he really knows the content and makes his expectations clear. Great lectures, but you need to read the book (and his notes) and all assigned hw, and all his quiz/exam questions are taken from there. Go to office hours, he will go over any of the exercises.

Professor Zweibel is really an exceptional professor, maybe the best in FIU's mathematics department and certainly one of the brightest and funniest. We used Walter Rudin's PMA in the course and covered Chs. 1 through 6 and about a third of Ch. 7.

Great professor. He is a walking textbook. He is genuinely nice and will help you as much as he possibly can during office hours. Brilliant man. My favorite professor at FIU. Go to his office hours if you are struggling. Read the textbook and do the hw he assigns.

Professor Zweibel's linear algebra class appealed to me because he wrote everything out in mathematical statements. I may not have answered with the best proofs but at least he wrote out a logical mathematical process to every major concept taught. Would take again!

It's not easy! 3 exams + final. The only grades are the exams. In our class, he offered, for the first time, extra credit for hw. That helped. His lectures are clear and easy to follow. It was comfortable to ask questions. He was very helpful during office hours. Best way to prepare for exams is to study definitions and do the hw. Overall a gem!

Zweibel is the G.O.A.T. if you're series about learning analysis (or just math in general). That's it.

This was the hardest math class I have ever taken. The concepts are very complex and Zweibel tends to treat his students as if they already know much more than they actually do. He is insanely smart, though, and will reward students that he knows are trying.

The low ratings are crazy to me lol. He literally explains everything thats on the quizes and exams. Lectures are boring, but its discrete math lol. You must take notes and do examples to pass. As long as you study this class is easy.The quizzes are legit one question and the exams/final were 5 and 6 questions, respectively. Do the work, you pass.

Dr. Zweibel is an unmatched genius and he is really passionate about what he is teaching. Do the homework problems that he assigns and trust me you won't see anything different on the exams and quizzes. He might not really be good at explaining things, but he values your effort to learn.