Thanks in advance for tips.
You can use PEQUM --> http://www.hpcalc.org/details.php?id=6306
http://www.software49g.gmxhome.de/EnglishSeite01.htm#TreeBrowser
Otherwise dig yourself through www.hpcalc.org
HTH,
Andreas
http://www.software49g.gmxhome.de
You can store them as ordinary algebraic objects, and then view them
with the SCROLL command. It views algebraics in textbook format.
-Joe-