How does one do the sech,csch and coth derivatives, integrals, etc with the 92? I know the long form, I am more interested in the short form (i.e. like tanh instead of "e" notation.) Thanks for any replies to this or my email address listed zkep3@access.etsu-tn.edu -- ___________ Study without thought is useless; Thought without study is dangerous--Kung Fu Tzu http://www.preferred.com/~kproffit/index.html