The Trachtenberg Speed System Of Basic Mathematics

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Brand: Praeger
SKU: DADAX0313232008
ISBN : 0313232008

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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.

Author : Jakow Trachtenberg
ISBN : 0313232008
Language : English
No of Pages : 272
Publication Date : 2/4/1982
Format/Binding : Hardcover
Book dimensions : 8.2x5.7x0.8
Book weight : 0.01

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