Soroban Calculator app for iPhone and iPad

4.2 ( 2912 ratings )

Utilities Finance
Developer: Peter Olafson

Free

Current version: 1.0, last update: 7 years ago
First release : 10 Nov 2017
App size: 22.38 Mb

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.