FORTUPPER _ _ _ _ _ _ _ _ _ _ _ _ switch

When fortupper is on, any Fortran-style output appears in upper case. Default is off.

examples:

on fort; 

df(sin(7*x + y),x); 

  ans=7.*cos(7*x+y) 


on fortupper; 

df(sin(7*x + y),x); 

  ANS=7.*COS(7*X+Y)