diff ( y , x , 1 ) = expt ( 2.0 , sin ( x ) ) * cos ( x ) * ln ( 2.0 ) ;
!
# Comment 1
Digits := 32;
max_terms := 30;
# Comment 2
!
# Comment 3
x_start := 1.4;
x_end := 1.0 ;
diff(y,0,exact_soln_y(x_start));
glob_look_poles := true;
# Comment 4
#
# Not Given = 0
# Real = 1
# Complex = 2 
# No Pole = 3
# Impossible Eq = 4
#
glob_type_given_pole := 0;
!
# Comment 5
exact_soln_y := proc(x)
# Comment 6
return(expt(2.0,sin(x)));
# Comment 7
end;