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The Trachtenberg Speed System of Basic Mathematics

The Trachtenberg Speed System of Basic Mathematics

Location
Bangalore
Condition
New
Product Specifications
Language English
Binding Paperback
Publisher Souvenir Press Ltd
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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