Category - Non Fiction / Self Help

Format - Paperback

Condition - Good

Listed - 7 months ago

Views - 9

Wishes - 1

Ships From - New York

Est. Publication Date - Aug 2006

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks

Publisher Description

Did you know it's easier to add and subtract from left to right, rather than the other way around? That it's possible to square a three-digit number in mere seconds? Regardless of their skill level, w...