Use Visual Fitting to implement linear, nonlinear curve fitting and surface fitting.1. Implement curve fitting and graphing of linear models and nonlinear models. 2. Implement surface fitting and graphing of any binary function models. 3. Excel-like data editor is easy to use. 4. Ability to move, zoom in, zoom out and rotate the graphs in plot area. 5. Ability to save graphs as bmp file. Use Visual Fitting to implement linear, nonlinear curve fitting and surface fitting.1. Implement curve fitting and graphing of linear models and nonlinear models. 2. Implement surface fitting and graphing of any binary function models. 3. Excel-like data editor is easy to use. 4. Ability to move, zoom in, zoom out and rotate the graphs in plot area. 5. Ability to save graphs as bmp file.

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MaTris is a nice program for practicing the basic operations of arithmetic. The calculation method is preselectable. It includes simple counting exercises, addition with symbols, addition/subtraction, multiplication and division.

Universal tool for statistical analysis and modeling of experimental and market data. Support import data from variety of data sources. Statistical schemes cover all major data modeling operations. Create report ready output.

Visualizes and studies functions of one variable to find roots, extrema, integral, derivatives, graph. Results can be saved or printed. You can copy the graph to the clipboard. You have one-click control of the graph with zooming, panning, centering

Universal unit converter and dictionary with a database that contain over 1000 units. From Biblical to Astronomical. User defined simple and compound units.