Do you know calculus, and need a refresher? Or do you want to learn? Either way, move past James Stewart’s work and expand your brain with these dense textbooks written for the author’s equal.
Calculus, 4th edition
– This text, by M. Spivak, was written for extremely intelligent college students taking Calculus — it doesn’t hold your hand, but it’s well written and very interesting. A great read for any student of mathematics, though it doesn’t cover everything as well as it should.
Differential and Integral Calculus (2 Volume Set)
[Vol. 1
] -A classic text in every sense of the word, Courant’s calculus textbook set hails from the 1930s. However, it still gives calculus a clear, comprehensive, and intelligent treatment. Recommended reading, if you can afford it!
Books for Geeks 