Easy to use, intuitive program to visualize and study functions of one variable to find roots, maxima and minima, integral, derivatives, graph. Results, including the graph, can be saved or printed. You can also copy the graph to the clipboard, which you can then paste where you please (Word, Paint, etc.). You have one-click control of the graph with zooming, panning, centering, etc. Includes a help file with instructions, example and methodology

Calc 3D
Calc3D is a calculator for vectors, matrices, complex numbers, quaternions and coordinates. For objects like point, line, plane and sphere distances, intersections, volume, area of squeres, area of a triangle can be calculated. (5 languages)

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.

College Scientific Calculator 45
College Scientific Calculator 45 for scientists, engineers, teachers, and students. Calculates mathematical formulas of any length and complexity.

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.

Speed reading is not magic
Speed Reading makes speed reading comfortable and pleasant. Double your reading speed and comprehension.