12 Digits, 150 Steps Check and Correct Calculator. Dedicated GT key for Grand
Total Calculation. Operation symbol on display (+, -. x indicates the status of
operation you are currently performing. Extra Large Display: Larger display
makes more data easier to read. 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. Enter, 10, and keep pressing = to
get 20, 40, 80, and so on. Mark-Up: All the mark-up capabilities