Ask HN: What are some of the best university courses available online for free?
Herb Gross's ultra-classic old-school chalkboard delivery of "Calculus of Complex Variables, Differential Equations, and Linear Algebra" should not be missed:https://youtu.be/BOx8LRyr8mUIt turns out he also produced a complete series on the precursor material, "Single Variable Calculus" as well, which I only just now discovered:https://ocw.mit.edu/courses/res-18-006-calculus-revisited-si...This professor has a great delivery and a ton of enthusiasm for the subject material, (but you can't just watch it, to absorb it you have to take notes, maybe recreate the examples in Python or something).