If you still need help, you can consider heading over to PTC's Community.
http://communities.ptc.com/community/mathcad
-Alan Belniak (a PTC employee)http://communities.ptc.com/community/mathcad
Hi. You can try the Mathcad Resource Center (free) over at PTC >> http://www.ptc.com/appserver/search/mathcad.jsp You can also consider joining PlanetPTC Community (free) at http://communities.ptc.com/index.jspa to connect with like-minded individuals. (disclosure: I work at PTC)