Graph Digitizer Scout

Automatically convert hard-copy graphs, oscillograms, charts into X,Y data

Roman Numeral Converter

Data Pilot

Expand Microsoft Excell data analysis options with Data Pilot

GPA Calculator

Gigra Area Converter

Tess

Make and explore symmetric illustrations, tilings, and tessellations.

LeoStatistic

Universal statistical analysis and modeling of experimental and market data.

Gigra Cool Math Game

AnEasyCalc

the math interpreter and analyser, the RTF formula editor, latex generator

UberSmart Math Facts

A proven system for mastering addition, subtraction, multiplication, and divisio