Diffy Squares is a subtraction game with some unexpected surprises that anyone familiar with subtraction can do. If you are a fan of the Fibonacci Sequence this game will introduce you to its cousin the Tribonacci Sequence. And if you like...See moreDiffy Squares is a subtraction game with some unexpected surprises that anyone familiar with subtraction can do. If you are a fan of the Fibonacci Sequence this game will introduce you to its cousin the Tribonacci Sequence. And if you like irrational numbers, here's a doozy. Written by
David Foss
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