Trachtenberg Speed System of Basic Mathematics

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Speed System of Basic Mathematics
By Jakow Trachtenberg




  • Publisher: Souvenir Press Ltd
  • Number Of Pages: 272
  • Publication Date: 1989-06-29
  • ISBN-10 / ASIN: 0285629166
  • ISBN-13 / EAN: 9780285629165
  • Binding: Paperback
Book Description:

The complete system of the Trachtenberg method of mathematics which makes possible high-speed arithmetical calculations with a remarkable degree of accuracy. This method is not only speedy but simple. Once one has mastered the rules, lightning calculation is as easy as reading a story. It looks like magic, but the rules are based on sound logic.

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