How to Use a Chinese Abacus: A Step-By-Step Guide to Addition, Subtraction, Multiplication, Division, Roots and More., Paperback/MR Paul Green

Descriere

This 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 for both children and adults. Clearly explained with text and pictures throughout every stage of your calculation.