Hi, the online shell at http://live.sympy.org/ tells me
diff(x^x,x) = 0 Why is that? Tom -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/5f6df3dd-904b-4d1a-afcc-9ce8ff0d7a50%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.