Returns e (the base of natural logarithms) raised to a power.

## Syntax

```
Math.exp(number)
```

## Remarks

The required `number`

argument is a numeric expression representing the power of *e*.

The return value is a number. The constant *e* is Euler's number, approximately equal to 2.71828 and `number`

is the supplied argument.

**Applies To**: Math Object

## Requirements

Supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards, Internet Explorer 10 standards, Internet Explorer 11 standards. Also supported in Store apps (Windows 8 and Windows Phone 8.1). See Version Information.