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Math Tricks

Arthur C. Clarke once noted that "any sufficiently advanced technology is indistinguishable from magic." The same is true of mathematics. Yet unlike technology, the math need not be complex. In fact, math is ideal for magic, since many simple properties of digits can enable nearly "psychic" powers.

Here is a compendium of some of the more bizarre and impressive mathematical tricks, games, and demonstrations. Enjoy them at your leisure.

Two-Digit ReverserFour-Digit ReverserFollow the Trail
Magic BoxesThe One-Hundred ChallengeThe Sacred Rows
Pair FinderMagic Square GeneratorMagic Boxes II

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