SQRT - Square root

The SQRT function returns a numeric value that approximates the square root of argument-1.
The type of this function is numeric.

Format

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FUNCTION SQRT (argument-1)

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Arguments

1. argument-1 must be class "numeric".

2. The value of argument-1 must be zero or positive.

Returned values

1. The returned value is the absolute value of the approximation of the square root of argument-1.

2. The error default value is -2.

See also:        FACTORIAL, LOG, LOG10

Example 9-42

...
DATA DIVISION.
WORKING-STORAGE SECTION.
01  R PIC 99V999999.
01  RES PIC 99.999999.
PROCEDURE DIVISION.
P1 SECTION.
MAIN.
    COMPUTE R = FUNCTION SQRT (33).
    MOVE R TO RES.
    DISPLAY RES UPON T.
    STOP RUN.

Result:              05.744562