The Calculator program has a long history going back to the very beginning of the Macintosh platform, where a simple four-function calculator program was a standard desk accessory from the earliest system versions. Scientific mode supports exponents and trigonometric functions, and programmer mode gives the user access to more options related to computer programming. Basic includes a number pad, buttons for adding, subtracting, multiplying, and dividing, as well as memory keys.

It has three modes: basic, scientific, and programmer.

Interoperability between H.Calculator is a basic calculator application made by Apple Inc.

Annotations and share audio, mouse and keyboard controls.

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Video gallery view to see all 25 video streams at once.

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