Getting Started with the Pascal tutorial, source
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(* Chapter 5 - Program 6 *)
program Example_Function;
var Dogs,Cats,Feet : integer;
function Quad_Of_Sum(Number1,Number2 : integer) : integer;
begin
Quad_Of_Sum := 4*(Number1 + Number2);
end;
begin (* main program *)
Dogs := 4;
Cats := 3;
Feet := Quad_Of_Sum(Dogs,Cats);
Writeln(' There are a total of',Feet:3,' paws.');
end. (* of main program *)
