# sqrt

Returns the square root of an expression.
Available in:

*Apps (win)* |
*Apps (char)* |
*Reportwriter* |
*RPC* |
*Standalone PL* |

X |
X |
X |
X |
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## Syntax

numeric sqrt(expr)
numeric expr

## Example

Calculates the square root of the sum of salaries.
sqrt_sum_sal = sqrt(sum(SAL));