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HOW TO USE A CHINESE ABACUS: A step-by-step guide to addition, subtraction, multiplication, division, roots and more
HOW TO USE A CHINESE ABACUS A stepbystep guide to addition subtraction multiplication division roots and more Author:PAUL GREEN 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 calcul... more »ation. A preview of the book can be seen at http://www.lulu.com/content/1018833 Note: This is the compact book size version 6"x9" of the larger 8.5"x11" original (ISBN: 978-1-8479-9943-6). Ideal size for travelling.« less