How To Use A Japanese Abacus: A step-by-step guide to addition, subtraction, multiplication, division, square roots and practical examples for the J - Paperback

by Paul Green (Author)

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.