diff ( y , x , 1 ) = sin ( x ) ; ! # Comment 1 Digits := 16; max_terms := 40; # Comment 2 ! # Comment 3 x_start := 0.0; x_end := 5.0; diff(y,0,exact_soln_y(x_start)); glob_look_poles := false; glob_max_h := 1.0; glob_min_h := 1.0; glob_display_interval:= 1.0; # Comment 4 # # Not Given = 0 # Real = 1 # Complex = 2 # No Pole = 3 # Impossible Eq = 4 # glob_type_given_pole := 3; ! # Comment 5 exact_soln_y := proc(x) # Comment 6 return(2.0 - cos(x)); # Comment 7 end;