Schaum's Outline of Calculus of Finite D
โ Murray Spiegel
๐ Library
๐
1971
๐ McGraw-Hill
๐ English
This is supposedly a review book. Yet I think it is one of the best books on the subject. It is elementary, and might not cover all the latest advances, yet it has a wealth of examples, beautiful explanations, and a very nice assortment of subjects. I particularly liked his lozenge diagram approach