I may once have quizzed this group: Where would you go to find an angle of π/19? I just stumbled on 2π/11. Spoilers below. Hubcap voyeurs: Who has the biggest album of angle pictures? --rwg Where? The Bottoms. http://previews.123rf.com/images/guesswho/guesswho0911/guesswho091100009/634... eri ng-whe el-Stock-Photo-sh ip.jpg