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Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks Paperback – August 8, 2006
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“A great introduction to the wonder of numbers, from two superb teachers.”
—Brian Greene, author of The Elegant Universe
“A magical mystery tour of mental mathematics! Fascinating and fun.”
—Joseph Gallian, president of the Mathematical Association of America
“The clearest, simplest, most entertaining, and best book yet on the art of calculating in your head.”
—Martin Gardner, author of Mathematical Magic Show and Mathematical Carnival
“This book can teach you mental math skills that will surprise you and your friends. Better, you will have fun and have valuable practical tools inside your head.”
—Dr. Edward O. Thorp, mathematician and author of Beat the Dealer and Beat the Market
About the Author
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.
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Top customer reviews
I didn’t believe Benjamin’s claim to do mental calculations faster than a calculator until I learned (quickly) two processes in his Chapter 0 (the first chapter)—how to multiply instantly any two or three digit number by eleven. The process is so simple that I calculated answers faster than a problem could even be punched into a calculator. That hooked me on Dr. Benjamin’s math teaching. Just for the joy involved!
His Chapter One teaches addition and subtraction in your head super fast. Other chapters teach such processes as basic, intermediate and advanced multiplication and division, squaring numbers and memorizing numbers easily—all without paper or pencil.
Chapter Nine discusses the art of mathematical magic—how to wow people with your speedy mental calculations. Maybe doing so would help convince the world and those who think they hate math that the subject can be FUN.