Now, you can use Abacus on our website. Under Know Abacus menu, open “Play With Abacus” submenu. You will see an Abacus on the center of the page. You may have to wait a bit on slow network about 1MB data download.
To see full screen abacus on your browser on desktop or tablets or mobile phones, click on top/right KnowAbacus icon.
This widget was developed using html5/cocos2d. Enjoy!