# SQRT

Returns the square root of `x`. The SQRT function is
defined only for x >= 0; it is undefined for all other values.

## Format

SQRT(x)## Example

```
<Reference_Variable
id = "1"
label = "SQRT Example"
type = "EXPRESSION"
expr = "SQRT(DX(112,10,10)**2 + DY(112,10,10)**2)"
/>
```

## Arguments

`x`- Any valid function expression greater than zero.