free online calculator
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History
The calculator includes square root, percentage, pi, exponent, power, and rounding functions. The following explains how to perform repetitive operations, including higher powers and roots, memory, and explicit functions, on this standard calculator.
Control the calculator using the mouse, keyboard, or number pad, or by touch if supported by your device.
What are the calculator functions?
÷ Divide
× Multiply
+ Add
− Subtract
= Count
+/- Add/Subtract Toggles the position/neg sign of the displayed number
