Casio MJ-100Da 150 Steps Check and Correct Desktop Calculator with Tax

Colour Grey. On Display Indication of Active Constant (K): Easier technique for repeat Calculation for +, -, ÷, x. Benefits: reduces any chances of manual error in repeat calculations. E.g. Press [2] [X] [X] (K is shown on screen) to set “Multiply by 2” as constant.

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