Math edits Nbarth Hi Jack glad you enjoyed the contributions and thanks for the kind words I d just wanted to understand Clifford algebras and way lead to way Ok numerical polynomials are not part of that I just remember Peter May talking about them But I hope the article grows I ve thought a lot more about dicyclic groups and understand the connection to pin groups much better so I ll shortly tomorrow I plan write up the connections and the center of the pin groups Thanks again for the support