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

UnitStar
Award-winning unit conversion program. Hundreds of units are included, along with detailed descriptions giving the history and definitions of units. Features include conversion tables, adjustable number of decimal places, and conversion formulas.

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)

EasyFit
EasyFit is a distribution fitting software for Windows. It supports both classical (Exponential, Gamma, Lognormal, Normal, Weibull) and advanced distributions, basic statistics, goodness of fit tests, and high-quality graphs (PDF, CDF, survival etc.)

Easy Math
Do you think your kids may benefit from more math practice? If so, here's a simple program that will help! Includes Multiplication, Division, Subtraction, Addition, Fractions and more.

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