Trachtenberg Speed System of Basic Mathematics

Name: Trachtenberg Speed System of Basic Mathematics
Brand: Bloomsbury Publishing Plc
SKU: 9780313232008
Price: 94.99 EUR
Availability: InStock

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Product details

ISBN 9780313232008
Weight: 454g
Dimensions: 140 x 216mm
Publication Date: 04 Feb 1982
Publisher: Bloomsbury Publishing Plc
Publication City/Country: US
Product Form: Hardback

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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.