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#### Abs

Declaration:
  Function Abs (X : Every numerical type) : Every numerical type;
Description:
  Abs returns the absolute value of a variable. The result of the function has the same type as its argument, which can be any numerical type.
Errors:
  None.
See also:
  Round (561)

Listing: refex/ex1.pp

Program Example1;
{ Program to demonstrate the Abs function. }
Var
r : real;
i : integer;
begin
r:=abs(-1.0); { r:=1.0 }
i:=abs(-21); { i:=21 }
end.

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