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CurveFitter performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions.

DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting).

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.

DMFitter ActiveX control allows you to add sophisticated regression analysis tools to your software in a few lines of code. Both linear and nonlinear (Levenberg-Marquardt) least squares curve fitting algorithms with user defined models are available.

Advanced Sci/Eng calculator. Expression evaluation, 18 digits precision, variables, >100 functions, graphs, unit conversion, interpolation, polynomial regression, linear algebra, systems of linear, nonlinear and differential equations, optimization.

Graph plotter program plots 2D graphs from complex equations. The application comprises algebraic, trigonometric, hyperbolic and transcendental functions. EqPlot can be used to verify the results of nonlinear regression analysis program.

The Fair-Sound provides loudness compensation, an essential element that is conspicuously missing from the WMP9S. Fair-Sound employs a sophisticated system of intelligent filters to compensate for ours ears' nonlinear response at low volumes.

Impressive space flight through the star field simulation screensaver. It has settings to simulate up to 30, 000 stars, rotation, nonlinear flight course, interstellar gas clouds, adjustable star rendering and anti-aliasing. Multimonitor support.

All-in-one freeware for pH and equilibrium calculations, real data analysis and simulation of titration curves of acids, bases, salts and buffers (from simple solutions to complex mixtures) with interpolation, smoothing and nonlinear regression.