Your bug report #41223: 28.0.50; Calc gives wrong determinant for some matrices with symbolic variables which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 41223@debbugs.gnu.org. -- 41223: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41223 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems