Extracts graph values, distances, areas, angles, color values from graphics.

The Windows True Type Symbol Font MARVOSYM.TTF

tool to measure distances and angles on the desktop + screen loupe

Measure circular or polygonal areas on your screen with the draftsman"s tool.

Work with engineering plans or designs to measure degrees or radians on screen.

Visual Mathematics, is a Mathematical Visualizer to learn more and better !!!

Fun math game for ages 4-15 - covers geometry, measurement, algebra, data.

Fun math game for ages 4-15 - covers geometry, measurement, algebra, data.

This little program makes it really easy to do trigonometric calculations.

Free calculator for vectors, matrices, complex numbers and quaternions

Simple and fast unit conversion software that support adding of custom units.