Community Tip - Learn all about the Community Ranking System, a fun gamification element of the PTC Community. X
See please http://www.sothebys.com/en/auctions/ecatalogue/2014/contemporary-art-evening-sale-n09221/lot.27.html
See please the Mathcad-shett - one killer of memory!
http://communities.ptc.com/message/263290
