Please report this in the bug reporting system. Thanks. On 31 Mar 2007 10:55:26 +0200, Albert Reiner <areiner at tph.tuwien.ac.at> wrote: > | (%i2) taylor(coth(x), x, %i*%pi, 0); > | > | `quotient' by `zero' > | -- an error. To debug this try debugmode(true);