Hi, I've ended changing the name of a recipe of mine in the SciPy cookbook wiki, i.e. from "A Pyrex Agnostic Class" to "A Numerical Agnostic Pyrex Class", which I find better. Anyone with privileges can delete the former one? Thanks, -- >0,0< Francesc Altet http://www.carabos.com/ V V Cárabos Coop. V. Enjoy Data "-"