Reviews of professor Siming He

Rating: 4.0/5, difficulty: 3.0/5
I had Professor He for multi. He's super sweet and when the course transitioned online he listened to student's opinions when restructuring the class. I thought that he was a good lecturer (introduces the theorem, proves it, and then provides example problems). The textbook/Chegg/answer key helped me a lot in addition to lectures.

Rating: 1.0/5, difficulty: 4.0/5
Siming's lectures were incomprehensible, grading criteria was unclear, he spent the first portions of many classes correcting his mistakes from previous lectures. Review answer keys for midterms were usually incorrect and corrected later in unclear emails. Final exam review answer keys included many written statements such as "I don't know"

Rating: 4.0/5, difficulty: 3.0/5
Very nice and understanding. Exams weren't too bad but hw can be long and tedious.

Rating: 5.0/5, difficulty: 4.0/5
Siming He is a literal gem. You wont find another professor at Duke that explains mathematical concepts in such clarity and detail like him. He has lots of opportunities to ask questions and get extra help. The class is hard no doubt, but He makes it extremely methodical and if you pay attention, you'll be golden.