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Abacus Exercise

by Hirokazu Komatsu more by this developer →

#141,327 of 719,896 by ratings on Apple · #9,299 of 72,290 in Education

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Category: Education

Description

This app focuses on the ease of use of the abacus on the app, and aims to realize smooth and comfortable operability.
In addition to being able to use the abacus widely on the horizontal screen, the size and position can be freely customized according to the device.

The number of digits can be used up to 15 digits, and the color and sound of the beads can also be set.

You can challenge the addition and subtraction, multiplication, division questions according to your level.

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History

Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.