This course is designed to make nonmathematicians understand the key concepts and triumphs of calculus. It simply requires a rudimentary understanding of algebra and geometry at the high school level. This series is not intended to be a collegiate calculus course; rather, it will assist you in seeing calculus in the real world.
Math Textbook with Cat Pictures
Sheldon Axler is a funny math professor and he put his cats' pictures into his math textbook, Precalculus: A Prelude to Calculus.