Soroban Calculator
Soroban Calculator Summary
Soroban Calculator is a mobile iOS app in Tools by Peter Olafson. Released in Nov 2017 (8 years ago). Store metadata: updated Nov 11, 2017.
Store info: Last updated on App Store on Nov 11, 2017 .
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App Description
A 13 column Japanese abacus.
Tap a bead to move it. To move a whole stack up tap the lowest bead. To move a whole stack down tap the highest bead.
Note: This is a utility app, not an educational app. It does not teach the user how to use an abacus.