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The software system solves constrained nonlinear parameter estimation problems. Synonyms are data fitting, nonlinear regression, parameter identification, curve and surface fitting. The numerical methods are based on highly efficient Gauss-Newton-SQP algorithms.Model functions are defined in a modeling language called PCOMP and are interpreted and evaluated during runtime.
Handy and useful expression calculator and converter with skins and lots of features
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A Java Application which enables you to execute arithmetic calculation using very long numbers without loosing the precision. You can solve basic operations, permutations, arraging, mixing-ups, arithmetical and geometrical progression.
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NLREG performs nonlinear regression and curve fitting. NLREG fits a mathematical function whose form you specify to a set of data values. Virtually any type of function can be fitted.
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linear algebra, statistics, advanced formula calculator, graphics, numerical calculations, units conversions and more. Supported on handheld Pocket PC and on desktop Windows 98/2000/XP.
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GEUP is an interactive, powerful and easy to use software for learning anddoing Geometry on the computer. It allows to verify geometric properties ina precise way and to discover new properties through the exploration.
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