"Mathematics, rightly viewed, possesses not only truth, but supreme beauty ... such as only the greatest art can show." —Bertrand Russell Why Understand Calculus? One of the greatest achievements of the human mind is calculus. It justly deserves a place in the pantheon of our accomplishments with Shakespeare's plays, Beethoven's symphonies, and Einstein's theory of relativity. In fact, most of the differences in the way we experience life now and the way we experienced it at the beginning of the 17th century emerged because of technical advances that rely on calculus. Calculus is a beautiful idea exposing the rational workings of the world; it is part of our intellectual heritage. Download the files immediately before they delete again the files.