# Sqr()

Calculates the square root of a number.

```
Sqr( number=number );
```

**Returns:** number

# Arguments

| Argument | Type | Required | Description | Default |
|----------|------|----------|-------------|---------|
| number | number | Yes | A positive integer. Number whose square root to get. |  |

# Examples

The following code example will output the values returned from the sqr() function for the given input value.

```cfml
<cfoutput>#sqr(4)#</cfoutput>
```







# Categories

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

# See Also

[numeric.sqr()](../objects/numeric/sqr.md)