> one that actually said "mathematical manipulation is just card tricks" It wasn't meant to imply any sort of chicanery or mumbo jumbo. David VanHorn put it better. " I don't think it's "magic" or anything of the sort. Just a convenient way to deal with inconvenient numbers. It works, till something better comes along". It's just how these convoluted means to an end look to a mathematical outsider -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body