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cool
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Miracle Math: How to Develop a Calculator in Your Head
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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.
264 pages, Hardcover
First published July 13,1992
This edition
- Format
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264 pages, Hardcover
- Published
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July 13, 1992 by Barnes \u0026 Noble
- ISBN
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9780880298766
- ASIN
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0880298766
- Language
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English
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Rating(3.3 / 5.0, 6 votes)
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6 reviews All reviews
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A decent how-to book (i.e. fine and no more), though you'd best get your own copy, and a set of 100 flashcards while you're at it. That's because the author asks you to memorize your addition tables again - this time, in a rather strange manner...
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There were some times where I was like, yeah, I get this, but I doubt anyone is going to use these things unless they read this book ten times. Meh. Still, a good read!
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In this day and age of calculators, sadly some of the techniques are a little too lengthy to learn to make them usable.
There are, however quick tips for estimating, eg shopping bills, checking addition etc.
There are, however quick tips for estimating, eg shopping bills, checking addition etc.
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Another cool book by Harry Lorayne on how to process math problems. I wish I had this when I was in school. I wish my teachers had this when they were teaching me math.
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good
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