A simple calculator is a basic electronic device or software application that is designed to perform mathematical operations. It typically features a numeric keypad, a display screen, and various buttons for performing arithmetic functions such as addition, subtraction, multiplication, and division.
The user enters numbers into the calculator by pressing the corresponding buttons on the numeric keypad. The calculator then displays the entered numbers on the screen, allowing the user to confirm the input. Once the user has entered the desired numbers, they can perform the desired mathematical operation by pressing the appropriate function button.
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