Image Calculator

Simple calculator. You can see the calculation history. The number displayed on the calculator display can be saved.

How to use
Percent calculation
10% of 50
50 % 10 = 5
300 plus 10% of 300
300 + 10 % = 330
Subtract 20% of 100 to 100
100 - 20 % = 80

AC 
Delete all of the calculation.
C
Move the calculation back one step. ( The previous one is displayed, is displayed the next on input. )
Delete the last digit of the numbers.
Swipe the calculator display sideways.

( Copy, Paste, Save ) Numbers on calculator display　
Tap calculator display.

Swipe the row of setting buttons to the right to reveal the memory button. ( iPhone portrait orientation )

To edit the title of the saved numbers.
Long press the title.

It is calculated by the same calculation method as a general calculator.