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CurveFitter program performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions. The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve fitting.

**DataFitX**

DataFitX is a COM component (in-process ActiveX DLL) which allows you to add a powerful nonlinear regression (curve fitting) engine to your software with just a few simple lines of code in any software or development environment that supports COM.

**Algebra - One On One**

Algebra - One on One is an educational game for those wanting a fun way to learn and practice algebra. This program covers 21 functions. It has a practice and a game area. Includes a two player combat game.

**QB - Math**

Do you think your kids may benefit from more math practice? If so, here's a fun Windows program that will help! Includes: - Multiplication Practice - Division Practice - Addition Practice - Subtraction Practice

**Arcs & Sectors**

Middle-School (grades 5 through 9) math program written to provide skills in context. Given the radius or diameter of a circle, and the measure of a central angle, students find various areas and lenths.

**VISeismo**

- Alarm level and all last quakes around the place you have selected - you can select any place at the Earth from the list or add any new places you need for - the quakes are shown as a radial lines an pies