Returns the square root (as a DECIMAL value) of an expression you specify.
Syntax
SQRT ( expression )
expression
A numeric expression. If the value of the expression is negative, SQRT returns the Unknown value (?).
Example
This procedure prompts for a number and then displays the square root of that number:
r-sqrt.p
DEFINE VARIABLE iNum AS INTEGER NO-UNDO FORMAT ">,>>9"
LABEL "Enter a number between 1 and 9,999".
REPEAT WITH SIDE-LABELS CENTERED
TITLE "SQUARE ROOT GENERATOR" COLUMN 20 1 DOWN:
DISPLAY SKIP(2).
SET iNum SKIP(2).
DISPLAY "The square root of " + STRING(iNum) + " is" FORMAT "x(27)" SQRT(num) FORMAT ">>>.9999".
END.
