How to Use a Chinese Abacus: A Step-By-Step Guide to Addition, Subtraction, Multiplication, Division, Roots and More. Green MR PaulPaperback
This pocket edition book will teach you step-by-step how to perform addition, subtraction, division, multiplication, square roots and cube roots on a Chinese abacus. It also explains the ancient…
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Specifikacia How to Use a Chinese Abacus: A Step-By-Step Guide to Addition, Subtraction, Multiplication, Division, Roots and More. Green MR PaulPaperback
This pocket edition book will teach you step-by-step how to perform addition, subtraction, division, multiplication, square roots and cube roots on a Chinese abacus. It also explains the ancient 'extra bead' method and the 'suspended bead' method. Great fo