A calculator (in contemporary usage) is an electronic hand-held device that performs mathematical computations.
Calculator may also refer to: Calculator (software), a computer program that performs mathematical computations Calculator (Windows), a computer program in Microsoft Windows Calculator (Apple), a basic calculator application bundled with Apple devices Calculator (Nintendo Switch), a paid application available for Nintendo Switch Mechanical calculator, a calculating device used from the 1700s to the mid-1900s Mental calculator, a person who performs calculations in their head Calculator (character), DC Comics villain Oxford Calculators, a group of 14th-century philosophers Calculator (band), an American emo band Richard Swineshead, English mathematician whose popular name was Calculator