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Answer a series of progressively more difficult math questions and then see how you measure up to th

Stopwatch/timer with big, legible digits. Customizable font, color and brightness. No ads.

A simple cross between chess and checkers to help novices learn how to move chess pieces or give pro

This is a simple board game that can help teach you how to move and capture pawns on a chess board.

Train your brain to mentally convert grams to ounces; meters to miles; and Centigrade to Fahrenheit.