Dual Display Calculator - Simple and Easy-to-use app for iPhone and iPad

This calculator can display two results.
You can switch easily between two displays.
Please forget about the old memory function.

Features:
- Input digit number 12 digits
- Percent calculation
- Constant calculation
- Decimal rounding
Rounding, rounding up, you can choose from truncation
- Point selector
Can of digits to the right of the specified point (4/3/2/1/0)
- +/- (Sign change)
- Shift
- Square root etc.
- Calculation result history

- Slide Switch(Rounding)
F: Floating Decimal
CUT: Values are cut off to the number of decimal places specified by the current Decimal Place Selector setting
UP: Values are rounded up to the number of decimal places specified by the current Decimal Place Selector setting
5/4: Values are rounded off (0,1,2,3,4 are cut off; 5,6,7,8,9 are rounded up) to the number of decimal places specified by the current Decimal Place Selector setting
4,3,2,1,0: Specifies the number of decimal places as 4,3,2,1,0

- Percent Calculation
Adding 10%: 1000 [×] 10 [%] [+]
Subtract 10%: 1000 [×] 10 [%] [-]

1000+10%: This is a markup on price procedure. The formula is as follows:
Markup%=(Markup Price-Cost)/(Markup Price)

- Constant Calculation
Press "+", "-", "×", "÷" twice to register a constant. The "K" indicator is displayed to indicate that Constant Calculation is in effect. This will reverse the order of the input values, for example, if you input 4--3, the result of the constant calculation will be 3-4.

* There is some paid content