Often overlooked, the macOS calculator has two power user modes in addition to its default simple ** Basic** mode.

The* Basic *mode

*:*Perform simple arithmetic operations.

The * Scientific *mode

*:*Use memory functions and perform advanced calculations involving fractions, powers, roots, exponents, logarithms, trigonometry, and more.

The* Programmer *mode

*:*Perform binary, octal, decimal, and hexadecimal calculations, including bitwise operations. You can also view the ASCII and Unicode characters represented by the current value.

To switch between modes, simply press **Command + 1** for ** Basic**,

**Command + 2**for

*Scientific**,*and

**for**

*Command + 3*

*Programmer**,*or go to the

**View**menu with the Calculator open to select the mode you wish to use.

Another often overlooked feature of the Calculator is the **Convert** tools menu. Enter the original value, choose **Convert** in the menu, then choose one of the following categories: ** Area, Currency, Energy or Work, Length, Power, Pressure, Speed, Temperature, Time, Volume, Weight and Masses**.

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