ABSOLUTE function

Returns the absolute value of a numeric value.

Syntax 

 

ABSOLUTE ( n )

n

An integer or decimal expression. The return value is the same format as n.

Example 

This procedure calculates the number of miles you drive between highway exit ramps.

 

r-abs.p

DEFINE VARIABLE mark-start AS DECIMAL NO-UNDO. DEFINE VARIABLE mark-finish AS DECIMAL NO-UNDO. DEFINE VARIABLE units       AS LOGICAL NO-UNDO FORMAT "miles/kilometers".   FORM mark-start LABEL "Mile marker for highway on-ramp" SKIP mark-finish LABEL "Mile marker next to your exit" SKIP(1) units LABEL "Measure in <m>iles or <k>ilometers" SKIP(1) WITH FRAME question SIDE-LABELS   TITLE "This program calculates distance driven.".   UPDATE mark-start mark-finish units WITH FRAME question.   DISPLAY "You have driven" ABSOLUTE(mark-start - mark-finish) units WITH NO-LABELS FRAME answer.