dadny abacus 2.0.1

License: Free ‎File size: N/A
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ABOUT dadny abacus

The Dadny Abacus on smart phone emulates the actual abacus usage and appearance as a Japanese abacus. You can have a abacus practice everywhere with the Dadny Abacus on your smart phone.

Keywords:そろばん,ソロバン,算盤,珠算,十露盤