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Secrets Of Mental Math: The Mathemagician's Guide To Lightning Calculation And Amazing Math Tricks (Turtleback School & Library Binding Edition)
Secrets Of Mental Math The Mathemagician's Guide To Lightning Calculation And Amazing Math Tricks - Turtleback School & Library Binding Edition Author:Michael Shermer, Arthur Benjamin FOR USE IN SCHOOLS AND LIBRARIES ONLY. 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.