The Trachtenberg Speed System of Basic Mathematics by Jakob Trachtenberg

Author:Jakob Trachtenberg
Language: eng
Format: epub
ISBN: 9780285639959
Publisher: Souvenir Press
Published: 2011-05-03T16:00:00+00:00

The first is the “simple” method, intended for people who are more or less non-mathematical–that is, they are in lines of work which require little mathematics, or they have only a limited interest in doing mathematics for its own sake. An appropriate method of long division for such persons would be one that is easily remembered and is as nearly foolproof as possible in the matter of arriving at the right answer.

The other one is the “fast” method. Anyone who has a liking for figures will enjoy this. There is just enough to it to make it stimulating to one with some aptitude for mathematics and, once learned, it is much easier to do than the conventional method. Also, when it has been thoroughly mastered, it becomes really impressive to watch. The answer to a long division can be written down immediately, without any intermediate calculation.

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