Stanford's free course on higher mathematical thinking is about to start soon Posted by R3G1R on Saturday February 01, 2020 @12:42PM from the mathvault.ca dept. https://mathvault.ca/coursera-math-thinking ( 3 comments | 28 points | on HN )
I took this class 3-4 years ago and got a lot out of it.
I also highly recommend Infinite Powers: How Calculus Reveals the Secrets of the Universe by Strogatz