How to use a Chinese Abacus:
A Computer-Based Tutorial
Copyright Info
Copyright and Other Information
The abacus tutorial is postcard-ware. It is freely distributable, but the tutorial in its various forms are copyrighted. You may not distribute the shockwave version, or the software downloads for a fee without explicit permission from the author and copyright owner.
If you use this program, please send me a post card or an email describing how you are using it, what you like about it, or any problems you have with it. Thanks in advance!
- Dr. Jan G. Hogle
- 21509 Lofton Ave N
- Scandia, MN 55073
- abacus@twinpinefarm.com
© 1996 Jan G. Hogle, all rights reserved.• Last updated: January 13, 2005
