(* print a table with rows
	x+i*delta, F(x+i*delta)
for i = 0, 1,...,n-1 *)
fun tabulate(x,delta,0,F) = ()
|   tabulate(x,delta,n,F) = (
	print(Real.toString(x));
	print("\t");
	print(Real.toString(F(x)));
	print("\n");
	tabulate(x+delta,delta,n-1,F)
);