The Trachtenberg Speed System Of Basic Mathematics

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The Trachtenberg Speed System Of Basic...

The Trachtenberg Speed System Of Basic Mathematics

Name: The Trachtenberg Speed System Of Basic Mathematics
ISBN: 9780285629165

Jakow Trachtenberg, Ann Cutler, Rudolph McShane

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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.

Kategoriler:

Mathematics

Yıl:

1999

Baskı:

New edition

Yayımcı:

Souvenir

Dil:

english

Sayfalar:

269