ModiCal - Intuitive calculator app for iPhone and iPad

A calculator app gentle with human.
Even if you make a mistake, even if you forget calculation, its OK.
Once I have optimized the calculator for the smartphone, "AC" and "=" are the same.

I can not use the memory buttons, such as "M +" and "MC".
and often re-calculated from the first. because input mistake or forget where to do was calculated.

This app created from "The calculator for me" concept. There are the following features.
1, Remember up to 100 lines of calculation by column writing.
2, It will use the previous calculation result as an input value.
3, You can correct the mistake later. (it will be automatically re-calculation.)
4, It is enclosed in parentheses by grouping rows.

If you have a similar experience with me, please try this.

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This app is free.
The calculator capable of modifying the calculated value later.
Auto record your input as history. And you can do addition and removal later.
Therefore you do not re-calculated from the first.

・Quick and easy use
The very simple calculator app which followed UI of a traditional desk calculator.
Its also fused the operability of the smart phone and it can be operated intuitively.

・Shrink(Expand) histories
By taping to the number display, shrink(expand) history area.

・Get sales tax (VAT,GST) amount quickly
By swiping to the left, including tax.
By swiping to the right, excluding tax.
By swiping to the same direction again, only tax.
Tax rate setting is in first history. Please change rate by tapping the row first.

・You can make a group of rows that will be placed in parentheses.
And it will be automatically re-calculated considering a group.