By PACIFIC SYSTEM CO., LTD.
This app is only available on the App Store for iOS devices.
(iPad Abacus Application)
Supervised by the former abacus champion, Onodera 10th Dan.
Touch the same as a real abacus.
"GOHASAN" work also supports.
Reset button in the upper left.
Let's Play Soroban !
What's New in Version 2.0