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, with this book, anyone can mentally calculate complex problems with amazing ease.
Buy Secrets of Mental Math book by Michael Shermer from Australia's Online Bookstore, Boomerang Books.
(203mm x 132mm x 17mm)
Three Rivers Press
Publisher: Three Rivers Press
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Author Biography - Michael Shermer
Arthur Benjamin is a professor of mathematics at Harvey Mudd College in Claremont, California. He is also a professional magician and performs his mixture of math and magic all over the world. Michael Shermer is host of the Caltech public lecture series, a contributing editor to and monthly columnist of Scientific American, the publisher of Skeptic magazine, and the author of several science books. He lives in Altadena, California.