Derive as the name implies, is a tool designed to calculate derivatives. It was especially designed for students and teachers. It allows an easy approach to the raphical modeling of various mathematical functions (in 2D or 3D). The graphs can be colored, animated and viewed from several angles. It has a database regrouping all of the mathematical functions such as exponential, hyperbolic, financial, statistics ones and much more. This program requires knowledge in these areas in order to be used to its full extent. It is compatible with Windows 98/2000/XP/Vista and 7.