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).
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- 7 uur lezen
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.

