Description

Book Synopsis

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. It looks like magic, but the rules are based on sound logic.



Table of Contents
Tables or No Tables? Basic Multiplication Rapid Multiplication by the Direct Method Speed Multiplication -- "Two-Finger" Method Addition and the Right Answer Division -- Speed and Accuracy Squares and Square Roots Algebraic Description of the Method

The Trachtenberg Speed System of Basic Mathematics

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      Publisher: ABC-CLIO
      Publication Date: Publication Date: 2/4/1982 12:00:00 AM
      ISBN13: 9780313232008, 978-0313232008
      ISBN10: 0313232008
      Also in:
      Mathematics

      Description

      Book Synopsis

      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. It looks like magic, but the rules are based on sound logic.



      Table of Contents
      Tables or No Tables? Basic Multiplication Rapid Multiplication by the Direct Method Speed Multiplication -- "Two-Finger" Method Addition and the Right Answer Division -- Speed and Accuracy Squares and Square Roots Algebraic Description of the Method

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