Found these amazing lecture notes [1]. Topic 3 and the review of Green's Theorem are the best I've seen anywhere. By a long shot. I read somewhere that Omar

Found these amazing lecture notes [1]. Topic 3 and the review of Green's Theorem are the best I've seen anywhere. By a long shot. I read somewhere that Omar Bradley solved integrals to clear his mind during the darkest days of WW2. [1] https://math.mit.edu/~jorloff/18.04/notes/ https://math.mit.edu/~jorloff/18.04/notes/