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Miracle Math: How to Develop a Calculator in Your Head (Flowmotion Book Ser.) | 
| Authors: Harry Lorayne, Lorayne Harry
Publisher: Barnes & Noble
Category: Book
List Price: $6.98
Buy Used: $0.01
You Save: $6.97 (100%)
New (7) Used (45) from $0.01
Avg. Customer Rating:  8 reviews
Sales Rank: 192405
Media: Hardcover
Number Of Items: 1
Pages: 264
Shipping Weight (lbs): 0.9
Dimensions (in): 8.6 x 5.9 x 1
ISBN: 0880298766
Dewey Decimal Number: 031
EAN: 9780880298766
ASIN: 0880298766
Publication Date: July 13, 1992
Availability: Usually ships in 1-2 business days
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Shipping: International shipping available
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Product Description
Would you like to add columns of numbers as quickly as you can read them, or do multiplication without carrying numbers? How about doing complex subtraction or long division problems in mere seconds? Well, now anyone can become a math whiz with this amazing mathematical system that can have you solving problems in addition, subtraction, division and multiplication as fast as any calculator and with an even greater degree of precision. It's based on the same idea used in the Asian abacus, but it requires no more equipment than a pencil and paper. Now shoppers will always know if they're really getting the best deal on groceries, salespeople can compute and track their commissions with ease, and students can complete homework faster and more accurately than ever before. This system has already been proven successful for thousands the world over, and now you can put it to work for you too.
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| Customer Reviews: Read 3 more reviews...
 Elementary Concepts for Simple Math July 26, 2008
The bulk of this book is based on improving skill sets around the four basic modes of math; addition, subtraction, multiplication and division. Lorayne establishes that most people run into issues when carrying any numbers larger than a single digit in their head. This causes people to significantly slow their processes down as the mind is forced to be out of its comfort zone. Lorayne demonstrates this eloquently with his example of trying to memorize five numbers that are all two digits versus remembering five numbers that are all a single digit. The results are conclusive as evidenced by any trial of this experiment. The bulk of this book is based on this premise and the impact of viewing numbers using only single digits and grouping multiples of tens separately.
It is undeniable that the methods in this book will enhance your basic math skills if you are not already using similar tactics. However, this book did not rate especially high with me since the mathematical processes are limited to only elementary applications. Adding quickly on paper or dividing large numbers in your head represents only the very tip of the iceberg in terms of most relevant math in everyday life. Had the book provided insight into functional analysis, assessing trends from mathematical data, mathematical and/or financial projections, then the topics covered would have been invaluable. Thus learning the applications in Miracle Math might make one a more effective cashier, but will otherwise prove to be nothing more than party tricks.
This book also left a very poor taste in my mouth due to a very obvious mathematical typo that left me wondering about Lorayne's actual educational background. On page 135 where he presents his case for factoring, he reminds the reader that we at one point learned that "60N = 6N x 10N". One can only hope that this represents merely a very poor editing job because if not, Lorayne has a serious misunderstanding of simple factoring leaving one to wonder if he has any mathematical background other than simple mathematical concepts.
If your only goal is to learn to add numbers faster or to divide large numbers with more simplicity, then this book will be worthwhile; however if you are anticipating having advanced mathematical skills that will make you stand out, you will be disappointed unless you are in the early stages of schooling.
 Get Furious or Get Smarter -- Your Choice November 6, 2005
14 out of 14 found this review helpful
An earlier reviewer wrote, "You get nothing for nothing." And that's exactly right, if you put in NO effort, you get NO improvement.
But putting in a little effort with this will show BIG results. I'm in the middle of retraining my brain right now to do math using these methods -- after 42 years I'm kind of entrenched in the "normal" way but see the possibilities so I'm willing to make the effort to change.
Since we're now homeschooling our children they can get this way of doing math from the very beginning -- by the time they're adults and this is "just the way they do it" they will have a huge advantage over the average person.
Folks who say this doesn't work, or that memory improvement "tricks" don't work must be looking for something that requires no work. With reasonable effort you can realize tremendous results.
Outstanding October 17, 2005
6 out of 6 found this review helpful
The people who didn't like this book either didn't read it, or they didn't learn it.
The book is not a book of "tricks" but a different way to look at the subject. It is written by the master of training the mind to have a better memory. Anything written by Mr. Lorayne deserves your attention....
....including his books on magic, if it is magic you're looking for!!
 This math does work, but the books are terrible in representing it. August 26, 2005
7 out of 14 found this review helpful
All of these books that keep popping up saying you can do the math in your mind in seconds, are correct in one way. Yes, you can do it...in fact you can do pretty massive equations using #'s in the millions or below, (or higher). The thing that is terrible about all of these books is they sound like a modern day memory book or such. They are ALL based upon what is called Vedic math. It was the math form used thousands of years ago...generally dating around the Summerian culture.
Vedic math really does work...in fact it's quite mind-blowing to put out answers to a large group of #'s just as someone finishes reading the problem! : ) Check out websites based upon Vedic math, or buy books directly relating to Vedic math...there's more to it than just putting it in print.
Furious March 5, 2005
2 out of 14 found this review helpful
Enough of this popular fallacious belief that there does be any such thing as memory tricks. I will no longer undergo the punishment buying and reading any self-improvement books. They make no affect on anybody but to teach one thing; You get nothing for nothing. I am sorry, but these aren't any overlooked treasures.
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