Down the front steps, and out of the house, I wondered how far my blue ball would bounce. Take a trip of fun and adventure with this little blue ball as it goes

An Introduction to Analytic Geometry and Calculus covers the basic concepts of analytic geometry and the elementary operations of calculus. This book is compose

Charles thought the Moon would be a new beginning. Now, he knows he'll be lucky just to stay alive. Having escaped both an Earth on the verge of global collapse

This first-year calculus book is centered around the use of infinitesimals. It contains all the ordinary calculus topics, including the basic concepts of the de