Hello, most of the functions are now written in lowercase, i.e. it's log(x), not Log(x) any more, reflecting the new scheme where functions are not classes any more. Just wanted you to keep this in mind... Happy hacking -richy. PS: ob-mapleV-goof-of-the-day: Does anybody know what this is supposed to be? > restart; > exp(matrix(2,2,[[1,0],[0,1]])); [1 0] exp([ ]) [0 1] > evalf("); exp(x) > x; x > log(matrix(2,2,[[exp(1),0],[0,exp(1)]])); [exp(1) 0 ] ln([ ]) [ 0 exp(1)] > evalf("); ln(x) -- Richard Kreckel <Richard.Kreckel@Uni-Mainz.DE> <http://wwwthep.physik.uni-mainz.de/~kreckel/>