by Paul Green (Author)
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 for both children and adults. Clearly explained with text and pictures throughout every stage of your calculation.
Number of Pages: 156
Dimensions: 0.33 x 9 x 6 IN
Publication Date: March 12, 2011