# calculator

A calculator is a small hand-held computer that performs mathematical calculations. Some calculators even permit simple text editing and programming.

It is also a program on a computer that simulates a hand-held calculator. Calculator programs let you perform simple math calculations without leaving the computer. The Apple Macintosh comes with a calculator desk accessory. Likewise, Microsoft Windows includes a calculator accessory.

*IMAGE: Calculator accessory (Microsoft Windows 10)*

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