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IF THEN ELSE ENDIF If Then Else Endif
The “equal to” (EQ) operator is not recommended if value 1 or value 2 represents a real
number. When checking for equality with real numbers, the difference between the numbers is
useful. For example:
OUTPUT 718;"SUB T,EST,V-ARA,V,ARB;" Pkices the di@?wn.ce of VARA and V-ARB into
T-EST. VARA, VA@ and T-EST are userd&ned
variables.
OUTPUT 718;"ABS T,EST,T-EST;" Finds the absolute value of T-EST
OUTPUT 718;"IF T,EST,LT,.Ol THEN;" Does a comparison.
OUTPUT 718;"CF UP;"
OUTPUT 718~"ENDIF~"
9 ,
When used within a downloadable program (DLP), the maximum number of IF THEN ELSE
ENDIF statements that can be nested is 20.
5-238 Programming Commands