The Trachtenberg Speed System of Basic Mathematics - Hardcover
$198.00
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$198.00
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The Trachtenberg Speed System of Basic Mathematics - Hardcover
$198.00
Sale price
$198.00
Regular price
by Ann Cutler (Translator), Rudolph McShane (Translator), Rudolph Matas McShane (Photographer)
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.
Number of Pages: 272
Dimensions: 0.94 x 8.59 x 5.79 IN
Publication Date: February 04, 1982