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The Trachtenberg Speed System of Basic Mathematics
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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.
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
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
Product details
| Published | 04 Feb 1982 |
|---|---|
| Format | Hardback |
| Edition | 1st |
| Extent | 272 |
| ISBN | 9780313232008 |
| Imprint | Praeger |
| Dimensions | 216 x 140 mm |
| Publisher | Bloomsbury Publishing |
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