Here is a strange bug in trig simplification:
GCL (GNU Common Lisp) Version(2.4.0) Tue Jun 5 10:09:51 EDT 2001
Licensed under GNU Library General Public License
Contains Enhancements by W. Schelter
Maxima 5.6 Tue Jun 5 10:09:30 EDT 2001 (with enhancements by W. Schelter).
Licensed under the GNU Public License (see file COPYING)
(C1) declare(n,integer);
(D1) DONE
(C2) sin(n*%pi/2);
Error: ((RAT) 1 2) is not of type NUMBER.
Fast links are on: do (si::use-fast-links nil) for debugging
Error signalled by MACSYMA-TOP-LEVEL.
Broken at MACSYMA-TOP-LEVEL. Type :H for Help.
MAXIMA>>
--
Good luck
-Boris
If Love Were Oil, I'd Be About A Quart Low
-- Book title by Lewis Grizzard