Percent CE

A-Converter is a handy utility, that can handle unit conversions in number of categories. Just enter the value, select category with the source units and you will get the list of converted values, ready to be copied into the clipboard

Powerful yet easy-to-use graph plotting and data visualization software. You can plot and animate 2D and 3D equation and table-based graphs. The unlimited number of graphs can be plotted in one coordinate system using different colors and lighting.

Student Grade Calculator for Excel makes easy work of grading students. It quickly weights the students grades on a per-assignment basis.