By PACIFIC SYSTEM CO., LTD.
Open iTunes to buy and download apps.
(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 1.90
Adjust the video size.