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I]]> Dec 27, 2011 2:32:10 AM Dec 27, 2011 2:32:10 AM thomasinventions@yahoo.com 0 A single term formula for calculating the circumference of ellipse http://mathforum.org/kb/thread.jspa?messageID=6682985&tstart=0#6682985 ]]> Apr 21, 2009 4:43:46 PM Apr 21, 2009 4:43:46 PM shahramzafary 1