Circumference Software

Screen Compass Mac Edition by Iconico

The Screen Compass allows you to measure the radius, circumference and area of circular or polygonal shapes on your screen simply and quickly. The perfect compliment to the Screen Calipers and Screen Protractor, the Compass is simple and easy to use.

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Arcs & Sectors by Polymath Love

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.

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