http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7938850&tstart=0#7938850 > If you have a problem with the mathematical picture that I was alluding to earlier, say it what it is.]]> Dec 18, 2012 3:51:37 PM Dec 18, 2012 3:51:37 PM niederberger@comcast.net 0