# SQR Function

#### Purpose:

Returns the square root of *x*.

#### Syntax:

**SQR**(*x*)

#### Comments:

*x* must be greater than or equal to 0.

SQR(*x*) is computed in single-precision unless the /**d** switch is used when GW-BASIC is executed.

#### Examples:

10 FOR X=10 TO 25 STEP 5
20 PRINT X; SQR(X)
30 NEXT
RUN
10 3.162278
15 3.872984
20 4.472136
25 5