Not too easy. Not too difficult.
Dr.He is an awesome professor. I have heard horror stories about Calc 2 and having him definitely made it a lot better than it could have been.
He made pro-wrestling jokes and once declared that "pants are dumb," so it was pretty funny.
Hours per week:
Advice for students:
There isn't a lot of class involvement besides the clicker, but he and my TA listened to course feedback.