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.