The Japanese Abacus: Its Use and Theory
Simple and primitive though it seem, the Japanese abacus is capable of amazing speed and accuracy. In numerous tests it has outclassed the best electric computers of the Western world. Here for the first time in English is both an explanation of the mystery and a complete book of instructions for...
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Simple and primitive though it seem, the Japanese abacus is capable of amazing speed and accuracy. In numerous tests it has outclassed the best electric computers of the Western world. Here for the first time in English is both an explanation of the mystery and a complete book of instructions for the use of this amazing pocket calculator. The simplicity and clarity of Mr.
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Format: Paperback
Publisher: Charles E. Tuttle Company
Pages no: 102
Edition language: English
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