Software by Dipl.-Phys.-Ing. Ralf Wirtz:

SimplexNumerica is an object-oriented numerical data analyzer, plot and presentation program. SimplexNumerica is proving to be extremely popular among scientists. Ergonomic programming using the newest Windows programming guidelines with toolbars, context dialogs and interactive diagrams providing easy handling with difficult numeric mathematics. SimplexNumerica is best suited for publication type graphics, analysis of arbitrary data.

SimplexParser is used to get the most out of Formula Parsing. With it, you can evaluate mathematical formulas, draw graphs and program with very simple VBScript. SimplexParser is a sophisticated calculation application. It supports direct access to the Microsoft Visual Basic Scripting engine. The program supports symbolic derivation and a host of other numerical functions. SimplexParser is fully object orientated programmed in VC++.