How To Use A Japanese Abacus
A step-by-step guide to addition, subtraction, multiplication, division, square roots and practical examples for the Japanese abacus (Soroban).
This pocket edition of the original book, will teach you step-by-step how to perform addition, subtraction, division, multiplication, square roots and practical examples on a Japanese abacus. Great for both children and adults. Clearly explained with text and pictures throughout every stage of your calculation.
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