IngMath - Version 4.68 IngMath (Engineering Mathematics) contains all esssential numerical and other methods which are important for the mathematical education of students of technical or economical courses. The program is very easy to manage and may be used to carry out calculations and for demonstrations in lectures and seminars. Contents: Linear algebra, linear programming, transport optimization, complex numbers and functions, real functions of one or many variables, differential equations (incl. systems), interpolation (splines, Lagrange, trigonometr.), systems of nonlinear equations or inequalities, nonlinear regression and others.