1567981
9780486243917
Clear instructions for 101 tricks and problems, many based on important math principles. Calculations have been concealed; tricks are carefully streamlined for quick understanding and flawless performance. Master such number phenomena as Lightning Calculations, Giant Memory, Magic Squares, nearly 100 more.Fulves, Karl is the author of 'Self-Working Number Magic 101 Foolproof Tricks' with ISBN 9780486243917 and ISBN 0486243915.
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