SpiroMath is a "24 Game"-like program. In SpiroMath, you use multiplication, addition, division and subtraction to reach a target value. If you get stuck, click Hint to get up to three hints. If you get the correct solution, the program draws a spirograph as your reward.
Spirographs are nifty graphical figures like the one behind the problem pad in the picture above.
SpiroMath 4 requires Windows XP or Vista and is free software. There is no Mac version available.
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