Secrets Of Mental Math The Mathemagician S Guide To Lightning

The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks WINNER 2007 New York Public Library Books for the Teen Age 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. inherent obscured text front cover some page skewed text Uploaded by station61.cebu on August 5, 2021 I first saw Arthur Benjamin on British TV, about 25 years ago, when he appeared on the Paul Daniels magic show, instantly squaring large numbers in his head. His very engaging personality, and his undoubted arithmetical genius, immediately won the hearts of the audience, including mine. But what of this book, co-authored with Michael Schermer?

The 230 pages, and eight chapters, cover the themes of mental addition, subtraction, multiplication and division, and the very useful art of ‘guesstimation’. There is also a chapter on techniques for memorising numbers, starting with mnemonics for recalling the value of π to varying degrees of accuracy. For example, one method of simple addition would be: 67 +28 = 87 +8 = 95, which relies on the associative property for (N, +). And the ‘trick’ for squaring numbers is shown to depend upon the algebraic result x2 – y2 = (x + y)(x – y), as follows: 1932 = (193 + 7) x (193 – 7) + 72 = (200 x 186) + 72 = 37 200 + 72 = 37 249. In fact, the most appealing aspect of the book is that the so-called ‘magic’ nature of such methods is demystified by clear explanations that invoke the use of the algebraic properties of the natural...

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Thanks for being a member! ❤️ You’ve run out of fast downloads for today. You downloaded this file recently. Links remain valid for a while. About the AuthorArthur 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. Your local store may have stock of this item. 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... 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

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