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 ...

Miracle Math: How to Develop a Calculator in Your Head 1992, Barnes & Noble

ISBN-13: 9780880298766

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