Formula History Speedy - Calculator Compact - iPhone/iPad App

This is why I created this app.

When you have a shopping basket, do not you want to calculate the price of discounted items with one hand? This calculator has a function that the thumb can reach.

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.

  • Button position adjustment

  • Expression · Display history

  • Aggregate calculation results

  • SNS share

  • Copy result

  • History reference

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Notation based on Specified Commercial Transactions Law