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Book about Soroban

In the link below, you can download the book produced and published by the Japan Chamber of Commerce and Industry and The League of Japan Abacus Association.

We hope this material can be a rich source for your learning of the foundations necessary to start calculating using the Japanese Abacus.

Download (size: ~87MB)

P.S: This file is uploaded in Google Docs. However, since the file size is too large, when you click the link above you may see the message "Sorry, we are unable to scan this file for viruses. The file exceeds the maximum size that we scan. Download anyway". We assure the file is safe so if you click in the link "Download anyway" you can get the .PDF file of this book.  

©1989 by The Japan Chamber of Commerce and Industry
First printing: April 1969
A revised edition printing: August 1989
Printed in Japan