Dual Calculator Twin "Cal Cal"

Do not you have thought that?
"I want two calculator"
You can use the calculator by switching A and B.
Arithmetic can be both the result of computation.
Saves you the trouble of taking notes of the calculation results.

Calculator A (Pink) : Large, easy-to-view numbers. 10-digit display.
Calculator B (Blue) : Slightly smaller display of numbers. 12-digit display.

[Special keys]
Tap Display : Change A calculator or B calculator.
[AB] AC : All Clear calculator A & B.
[A] or [B] : Change A calculator or B calculator.
A : Copy of the value of the calculator A to calculator B.
B : Copy of the value of the calculator B to calculator A.
> : Backspace

[Useful at a time like this]
Calculation of the estimate can be compared at the same time.
Shopping in foreign exchange.
Recalculation of the calculation results.