Reviews of professor Dumitru Rusu

Rating: 1.0/5, difficulty: 3.0/5
Being a person who loves maths, he will make you hate it! His notes and lectures make no sense. The lectures are awfully long and you will pretty much have to teach yourself. If you took calculus in high school it'll seem like a breeze otherwise you will find the class quite challenging.

Rating: 3.0/5, difficulty: 3.0/5
Overall he does seem to want to make people understand but he isn't super clear in his lectures. Usually I have no idea what's going on in the lectures but the textbook makes it clear. The homework usually is a moderate amount but it is essentially exactly what will be on the weekly quiz / exam.

Rating: 3.0/5, difficulty: 4.0/5
Professor Rusu is a great guy and really cares about his students, but teaching is not his forte. His lectures were often confusing and difficult to understand, and it was difficult to follow his proofs. He was also a picky grader.

Rating: 3.0/5, difficulty: 3.0/5
Dumitru is definitely a professor to take online, as he stated to us many times in our in-person lecture. Dumitru himself is a hilarious, great person who wants to see his students succeed. My best advice is to go to his office hours and to supplement his lectures as much as possible. The homework he gives helps a ton on weekly quizzes.

Rating: 3.0/5, difficulty: 1.0/5
If you already know Calculus from high school but couldn't pass the AP exam, take him. Cake walk, just write answers the way he wants it and can see that you know the topics.

Rating: 4.0/5, difficulty: 4.0/5
The class is pretty tough, and if you don't do your homework you'll surely fail. He teaching things pretty thoroughly. Lectures consist of him teaching and explaining the new material and then lots of examples afterwards. Also there's supplementary videos for this class that were VERY helpful. He's a really nice guy, and he wants you to succeed.