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Chen is the man! When in doubt, write some BS down and he will give you partial credit. Who cares if you cant understand him, he will give you the grade! highly suggested.

Language barrier is there, but he is a good teacher once you get past that. Very intelligent, Very helpful. Go to him anytime for help on any math even if not in one of his classes. Very easy grader. The only way you can fail his class is to not take exam

easy grader and VERY nice, loves partial credit!

Dr. Chen is a very good teacher. Yes, I admit that he can be hard to understand at first, but you'll get somewhat used to it. He gives good notes on the board in case you can't understand him. He is a generous grader who likes giving partial credit. I would reccommend taking one of his classes.

Chen is an easy teacher, just as long as you do the homework you should be fine. He will get you a tutor if you need one. Also he doesn't take attendence. The tests are easy. Only bad thing is that his accent will be hard to understand the first few weeks, but besides that he is a good professor.

Class is hard in general but not because of Prof. Chen. His accent may be hard to understand at times, but his example problems are pretty concise and clear. Always gives partial credit. For tests, do all the homework the night before. May be a lot of work, but usually most of the questions come straight from the homework.

He really isn't as hard to understand as everyone says. He goes over homework everyday at the beginning of class, he'll work as many as you want. Tests come from the homework. I think getting the solution manual is a good idea, it helps you while you do your homework. Overall a great teacher.

He is a little difficult to understand, but once you get used to him it is fine. He explains things in detail, including where and why you must do things. If you don't understand something, ask him after class he is more than willing to help.

At first it's hard to understand him, but you get used to it. He doesn't take attendence and he's willing to go over the homework. There's only 3 tests, so paying attention and taking good notes is important for this class.

He is the nicest guy. Professor Chen is willing to help you out alot. His accent is difficult to comprehend, but if you follow the problem on the board, you wont need to listen to him. Do the homework you get and A

One of the teacher who shows the real applications behind the theory. I like his presentation on why we should be care about deficit.

If you are a serious student and really want to learn math, take this class.

Chen is a good teacher and not nearly as difficult to understand as people think. If you tune him out and follow the problem, you'll do fine. I got As on all the tests because I went to class and did the homework. So easy if you put in the work or took Claculus in High School

This's my second time for MA130, I failed trig. part last time. He provided lots of tips, which are helpful a lot!

He has done an excellent job for this class. If you do not get B or better, it just says that you did not study. Don't take the cheep excuses for instructor's language problem. Guys, if we don't study hard, just expect more nonnative speakers in the classrooms.

Very good teacher, but litter bit hard understand at the beginning. I got used to in about two weeks.

Fair enough, he is an excellent teacher. By the way, my summer job boss told me that he was impressed in my opinions on national deficit at my interview. This is exactly I learn from his class.

If you want to be a math major, take this class with him.

He cares about students learning. Any one had his precalculus class should be comfortable in calculus class.

I like the way he presents the materials, especially those problems involving important social issues (national debt, compounded interests,...).

It's a pretty straight forward class. Attendance and Homework isn't mandatory but i recommend doing it anyway, it will really help you. if you still have questions just ask him, just ask him, he'll help you out.

Pretty straight forward class. attendance and homework isn't mandatory but i recommend doing it. The text book that's used it really good, so if you don't understand something, try reading the book. If you still have trouble, just ask Chen, he's very willing to help.

One of best math teachers I had so far. His tips on trig. are very helpful.

He is very care about students achievement. Fair, always offers help when you need.

Amazing professor. He's absolutely brilliant, and he'll really take the time out to make sure you understand the material. It seems that he can answer the hw questions without thinking.

He really knew how to present the material in an easy to follow manner. Had nice historic stories to tie in with the topics as well. Overall, I enjoyed this class.

Dr, Chen is GREAT! There is a language barrier to get over, you get over it in a few weeks. He is an EXTREMELY easy grader. The homework is completion grade, there are 3 maples, he makes then easy. The tests he does a review for, going over problems Very similar to the test. All test questions come from HW. Great Prof, very helpful and kind

One of the best math professors at CNU. Beside teaching the regular course materials, he demonstrated the connections among topics. Enjoyed this class.

Great math professor and great experience so far for my freshman year. His english is a little rough, but he definitely knows his stuff. Also, he is always willing to explain anything.

Best professor I had at CNU. I really enjoyed his teaching style: what we knew, what we want to know, then show how to build the new concepts or methods from the existing one. Now I see the all connections of my math courses. Thanks, Dr. Chen.

I especially like what he did: the key ideas of multivariables are developed intuitively from "pictures"; the formulas are introduced as the extension of single variables. He always showed the connections between topics.

Excellent tips for learning trig. Fair tests and grades. Recommend to everyone.

One of math professor teaching us thinking and demonstrating the connection between subjects. He made the pde class much easy than I thought.

One of the best math professors. He is really care about his students, and always available for help. Even I am a Bio major, following his suggestion, I will take calculus next semester.

He was amazing! My first math prof here. His accent takes a few minutes to get used to, but he's always available for help and he's constantly showing us the easiest way to get our work done. Super easy grader.

Great professor. One of a few in the department can reveal the ideas behind the concepts.

One of the best math courses I had so far at CNU. He is extremely knowledgeable for the topics. I learnt a lot from this class and will recommend to anyone who had MA320.

Nice professor, very clear about what he wants you to do and gives lots of examples, in fact that is mostly what is done in class. Doesn't give quizzes and you can turn in homework late as long it is before the next test. Doesn't take attendance.

This class prepared me very well for Calculus.

By far the best math teacher I've ever had. Makes the class interesting and understandable with lots of examples. If you have the opportunity to take his class I would highly recommend it, especially, you plan to take more math classes.

Hongwei is a great guy. His accent is tough at first but you get used to it in a few days. His test are straightforward and simplistic. Homework is not mandatory, but very useful. If you can get Brady or Martin, take them, but Hongwei is head and shoulders above the rest. If you put in the work and pay attention in class, you'll have no problem.

If you are a series student and want to learn math, instead of just receiving grade, take his class.

He teaches well, he is more than understandable, and checks that everyone is with him CONSTANTLY. He makes pde fun (if that's possible) and explains "why" not just "how."-not typical for math. I learnt a lot in this class.

His accent is little bit tough at first but you get used to it in a few days. After that, you will find it is really worth with him. He prepared me very well for calculus.4

Dr. Chen is really great at revealing how to get to the equations and concepts you need. He always begins a section by telling you the terms you need, then he does a long series of steps to tell you how to get to an equation and why the equation is what it is before doing examples with it. Many professors do this, but it's very clear with him.

Good class. Lots of real-life examples. Always ready for help. I like to chat with him outside classroom too.

Professor is great at explaining the concepts --- from the big pictures to details, then reenforced by examples. One of the best math professors at CNU.

Dr. Chen is one of the greatest professor I've had. He is the master of the topics and explains everything in great detail. He usually takes time to explain a concept to be sure that everyone knows it. No one should struggle and fail - he is always willing to help, and if you are willing to work.

Very knowledgeable and helpful professor. This class taught me some fundamental methods of math like Fourier series and separation variables. Enjoyed every class.

I've had him for multiple classes as a math major, he's very knowledgeable, moves at a good pace and is willing to answer any and all questions you might have. He knows his subjects so deep, often shows me the connections with my previous courses. Because of him and this class, I gained much better view of my major.

Even though I detested PreCalculus in high school, I actually looked forward to every class with Chen. He is a very friendly and gentle man, and explains everything very well. I would absolutely take him again!

He is very knowledgeable and explains things very well. Because of him, I will add math as my minor. I wish I will have him teach all of my math classes.

He is very visual and tries to draw concepts, ideas, and equations to make them more tangible. Comparing what you have learnt from him, his accent is nothing. Never both me. Highly Recommended!

It takes about a week to get used to his accent, but it is 100% worth it. Wonderfully kind grader--partial credit all around. Very understanding, and clearly wants you to pass. There is a lot of homework but if you can just do it (even if it's wrong) you still get a TON of credit. He also tries to apply it to the real world, so that's cool.

Really adorable

Dr. Chen was a really good professor. He is very nice. His accent is a bit difficult to understand at first, but you'll get used to it after a few classes. He explains concepts well, and takes time every class to ask about questions regarding the homework. The homework is not collected or for a grade. I recommend this professor.

Accent is thick, but you settle into it. He pretty much only teaches by working out problems. This was helpful for me in understanding his words, like subtitles but for math. Does a good job explaining why topics are useful, they are often for comp-sci. "Quizzes" about once a week but they are not collected so don't freak out. Generous test grader.

Professor Chen had 4 grades throughout the entire year, 3 exams and 1 final. All of these were graded very generously. The only reason I would not take him is due to his accent, it can make it difficult to follow his lectures at time. Attendance is not required but I would recommend showing up to his class as he post nothing on scholar.

Dr. Chen is a super nice professor and he is really passionate about math. He is very helpful if you get to know him outside of class as well. The class is graded on 3 tests and the finals so make sure you prepare for them. He doesn't grade homework but it is good to do to prep for the tests.

Dr. Chen is a great professor. He has an accent, but I got used to it after one or two classes and it didn't impede learning at all. He is incredibly kind and was very open to talking after class and during office hours. He is an easy grader on tests and homeworks, of which there are not many. His lectures do move pretty fast, though.

Chen is a lax grader on homework and gives ample partial credit on tests. You may not click with him in class, but if that's the case just go to office hours and you'll be set 100%

Professor Chen is wonderful. 3 tests and 1 final are only grades, but tests are easy. If you are confused just go to his office hours!! He truly cares about his students understanding and is such a sweet man. Go to class!!!!!! It does matter as he teaches through examples. Take Professor Chen!!

Professor Chen has quite a strong accent which made this class very intimidating at first. This information in this class was conceptually confusing guy this was the easiest grading class I've ever taken. Exams are weighted heavy, but they are EASY if you study. I'd take Professor Chen if you want to pass Calc 2

Professor Chen is a great instructor who really cares about his students' understanding. The class is structured around 3 tests and a final, which can be manageable if you stay on top of the material. Utilizing resources like unstuck ai and the free textbook can be helpful for study prep.

Dr. Chen was a very kind calculus professor. He wasn't very clear when teaching material so you may end up teaching yourself a few concepts. However, he is an EASY grader and allows cheat sheets on exams. On top of that, he is just the sweetest professor and really cares about the subject and his students! I would take him for 240 over other profs.