Elaine B. (Lily) reviewed on + 206 more book reviews
Helpful Score: 1
By using the simple foolproof methods in this volume, you can double or triple your calculation speed--even if you always hated math in school.
The short cuts in this book require no special math ability. If you can do ordinary arithmetic, you will have no trouble with these methods.
The short cuts in this book require no special math ability. If you can do ordinary arithmetic, you will have no trouble with these methods.
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