I agree. I've done the bare minimum math needed for comp sci (1st year calc + basic probability/stats). Barely passed. In preparation for masters in financial engineering next year I've gone back to basics, worked through his calc 1 & 2 (3 todo) videos and I'm amazed at how much I enjoy math now. Thoroughly enjoy how he teaches the content -- the enthusiasm is really infectious.

Does anyone have suggestions on exercise material? I spend some time with Wolfram generated problems every few days and am working through two textbooks, but just wondering what other people find helpful.