1(* 2 * Test of reals. 3 *) 4 5program realtest (input, output); 6var 7 x : real; 8 y : real; 9 10function f (x : real) : real; 11begin 12 f := 3.14*x; 13end; 14 15begin 16 y := 3.0; 17 x := f(y); 18end. 19