The Trachtenberg Speed System of Basic Mathematics
Jakow Trachtenberg
ISBN: | 9780313232008 |
Publisher: | Praeger |
Published: | 4 February, 1982 |
Format: | Hardcover |
Language: | English |
Links | Australian Libraries (Trove) |
Editions: |
7 other editions
of this product
|
The Trachtenberg Speed System of Basic Mathematics
Jakow Trachtenberg
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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