# Exp()

Calculates the exponent whose base is e that represents number.

The constant e equals 2.71828182845904, the base of the natural logarithm.

This function is the inverse of [Log()](log.md), the natural logarithm of number.

```
Exp( number=number );
```

**Returns:** number

# Arguments

| Argument | Type | Required | Description | Default |
|----------|------|----------|-------------|---------|
| number | number | Yes | Exponent to apply to the base e |  |

# Examples

The following code example will output an example number returned from the exp() function.

```cfml
<cfoutput>#exp(10)#</cfoutput>
```







# Categories

[Math](../../categories/math.md), [Numbers](../../categories/number.md)

# See Also

[Log()](log.md), [numeric.exp()](../objects/numeric/exp.md)