Features そろばん暗算計算
The beads of the abacus move according to the calculation problem.You can practice mental arithmetic using the image of beads on an abacus.There are addition and multiplication problems.
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24/7 Support
Our dedicated support team is always ready to help you.
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Personalization
Customize the app to match your preferences and workflow.
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See the そろばん暗算計算 in Action
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Available for Android 8.0 and above