A Calculus text which begins with the basic concepts of integration, then covers techniques and applications of integration, followed by sequences and series. This book contains numerous examples and illustrations to help make concepts clear. This is the second text of a series; Calculus 1 covers limits, derivatives and the basics of integration. Calculus 3 finishes this series by covering parametric equations, polar coordinates, vector valued functions, and multivariable functions. A free .pdf version of all three can be obtained at apexcalculus.com