NAT _ _ _ _ _ _ _ _ _ _ _ _ switch
When nat is on, output is printed to the screen in natural form, with raised exponents. nat should be turned off when outputting expressions to a file for future input. Default is on.
(x + y)**3; 3 2 2 3 X + 3*X *Y + 3*X*Y + Y off nat; (x + y)**3; X**3 + 3*X**2*Y + 3*X*Y**2 + Y**3$ on fort; (x + y)**3; ANS=X**3+3.*X**2*Y+3.*X*Y**2+Y**3
With nat off, a dollar sign is printed at the end of each expression. An output file written with nat off is ready to be read into REDUCE using the command in.