from PACIFIC SYSTEM CO., LTD., originally released 9th September, 2011
(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 !
Recent posts about Master Soroban
discussion by Sidelines.