Chinese Abacus


+-----------------------------------------+
| *** *** *** *** *** *** *** *** *** *** |
| *** *** *** *** *** *** *** *** *** *** |
|  |   |   |   |   |   |   |   |   |   |  |
|--+---+---+---+---+---+---+---+---+---+--|
|  |   |   |   |   |   |   |   |   |   |  |
|  |   |   |   |   |   |   |   |   |   |  |
| *** *** *** *** *** *** *** *** *** *** |
| *** *** *** *** *** *** *** *** *** *** |
| *** *** *** *** *** *** *** *** *** *** |
| *** *** *** *** *** *** *** *** *** *** |
| *** *** *** *** *** *** *** *** *** *** |
+-----------------------------------------+
You need to install Java to use this abacus. Please visit java.com for help.

Type in a number, select "Add" or "Subtract", and then click on "Show Steps".
The abacus will then show you step by step the movements necessary to perform the addition or subtraction.

Related Links:

I'm interested in hearing your ideas and suggestions for this tool. Please visit my contact page with your comments. If you came to this page directly, you might also want to take a look at some of my other on-line Chinese tools.