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Brand name How to Use a Soroban: Textbook
Price \3,000
No. us1980
Size 210丕300. 52 pages
  If you would like to learn how to use a Japanese abacus, soroban, this book is the one. Contents are as follows: 1. How to Read Beads 2. How to Use Your fingers 3. Addition and Subtraction. So many exercises of each step will help you to master addition and subtraction on a soroban.