Secrets of Mental Math: The Mathemagician's Secrets of Lightning Calculation & Mental Math Tricks
Arthur T. Benjamin, Michael ShermerSecrets of Mental Math: The Mathemagician's Secrets of Lightning Calculation & Mental Math Tricks
January 1, 1993Three Rivers Press224 pages
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Description
An accessible guide to mathematical calculation reveals the secrets of rapid mental calculation, memorization, and other feats of the mind, with tips on how to add, subtract, multiply, divide, and work with fractions, squares, and cube roots. Original. 15,000 first printing.
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