MathCAD - a powerful and at the same time simple universal medium for solving problems in various fields of science and technology, finance and economics, physics and astronomy, mathematics and statistics ... MathCAD is the only system in which a descr iption is given for solving mathematical problems using Examples commonplace to mathematical formulas and symbols. MathCAD allows you to perform both numerical and analytical (symbolic) computation is extremely convenient mathematical-oriented interface and excellent means of scientific graphics.