The Story Behind the App
As smartphones get larger, one-handed operation is becoming more difficult every year. I created this app because I wanted a way to calculate discounts easily with just one hand—even while carrying a heavy shopping basket.
App Information
It is easy to use calculator on iPhone / iPad with big screen. Since you can move numeric buttons, it is easy to use with one hand when you have luggage. There are also expression, history, tax calculation, and easy calculation function.
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Button position adjustment
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Expression · Display history
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Aggregate calculation results
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SNS share
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Copy result
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History reference
