]]>http://www.mathisfunforum.com/profile.php?id=337902011-03-17T15:55:50Zhttp://www.mathisfunforum.com/viewtopic.php?pid=168225#p168225V clearly-written & interesting! I didn't know about the problems of the perimeter of an ellipse!]]>2011-03-17T15:38:38Zhttp://www.mathisfunforum.com/viewtopic.php?pid=168221#p168221