Oops, I misread and thought you were saying that your program did NOT work. I guess >Frac does work with Disp. In any case, mine is slightly shorter, for what it's worth. Darryl K. Nester E-mail: mailto:nesterd@bluffton.edu Assoc. Prof. of Mathematics WWW: http://www.bluffton.edu/~nesterd Bluffton College Phone: 419-358-3483 Bluffton, OH 45817-1704 Fax: 419-358-3232