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Abs function
DECLARATION: Abs(X)
PURPOSE: Returns the absolute value of the argument.
UNIT: System
RESULT TYPE: Same as argument.
REMARKS: X must be an integer- or real-type expression. The result
will be of the same type as X.
EXAMPLE: Var
x : Real;
i : Integer;
Begin
x := -2.69;
i := -156;
WriteLn('x = ',Abs(x)); { displays ABS value }
i := Abs(i); { converts to ABS value }
WriteLn('i = ',i);
End.
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