# The Online Calculator

## Calculator Operations

A basic calculator online, similar to a small handheld calculator, for addition, subtraction, division and multiplication. The calculator basic functions include the following:

- MC = Clear Memory
- M+ = Add to Memory
- M- = Subtract from Memory
- MR = Memory Recall
- CE = Clear Current Operation and changes to AC
- AC = Clear All
- √x = take the square root function for the displayed
- +/- = change the sign of the displayed value
- % = change the displayed value from a percent value to a decimal value
- 100 - 22 % = 78; 100 minus 22% of 100 is 78
- 100 x 22 % = 22; 100 times 22% is 22

## Accessible Calculator Features

**Zoom**: Change to a big calculator size in your browser with zoom and the size of the calculator, text and buttons will change proportionally.

**Text Size**: In some browsers, such as Chrome desktop, change the text size in your browser settings and the size of the calculator, text and buttons will get bigger or smaller proportionally.

**Keyboard Control**: You can use the calculator without a mouse by tabbing among the calculator keys. Press "Enter" when a key is focused. Although, this method can be arduous since you must tab through all keys in sequence.

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