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Jan 6, 2013 3:17:50 AMJan 6, 2013 3:37:59 AMthomasinventions@yahoo.com0Re: A single term formula for calculating the circumference of ellipse
http://mathforum.org/kb/thread.jspa?messageID=7658842&tstart=0#7658842
C=pi(a+b)[(3+h)+(pi-3)(1-h)^p]

With p=1.498, the max rel error is about 0.07% ]]>Feb 2, 2012 2:11:38 PMFeb 2, 2012 2:11:38 PMthomasinventions@yahoo.com0Re: A single term formula for calculating the circumference of ellipse
http://mathforum.org/kb/thread.jspa?messageID=7634323&tstart=0#7634323
Note, as I've used recently in a different fashion, (1-h) could be injected to improve upon the simplistic model as]]>Dec 26, 2011 10:37:39 PMJan 15, 2012 3:13:24 AMthomasinventions@yahoo.com1Re: A single term formula for calculating the circumference of ellipse
http://mathforum.org/kb/thread.jspa?messageID=6752023&tstart=0#6752023
> Hello dear Mr. Cantrell. > Thanks a lot, for your really]]>Jun 14, 2009 1:31:21 PMJun 14, 2009 1:31:21 PMDWCantrell@sigmaxi.org3Re: A single term formula for calculating the circumference of ellipse
http://mathforum.org/kb/thread.jspa?messageID=6712940&tstart=0#6712940
Thanks a lot, for your really exact comments on my formula. I am really grateful and hope you permit me contact you]]>May 16, 2009 3:22:52 PMMay 16, 2009 3:22:52 PMshahramzafary4Re: A single term formula for calculating the circumference of ellipse
http://mathforum.org/kb/thread.jspa?messageID=6688955&tstart=0#6688955
> My formula for calculating the circumference of ellipse is]]>Apr 27, 2009 8:22:23 AMApr 27, 2009 8:22:23 AMDWCantrell@sigmaxi.org5Re: A single term formula for calculating the circumference of ellipse
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I read that before. I think my new formula about ellipse circumference compares very well with others. I posted it for]]>Apr 22, 2009 4:02:00 PMApr 22, 2009 4:02:00 PMshahramzafary0Re: A single term formula for calculating the circumference of ellipse
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> My formula for calculating the circumference of > ellipse is attached as a small note. I will be > grateful if]]>Apr 22, 2009 3:36:58 AMApr 22, 2009 3:36:58 AMavniu66@hotmail.com1A single term formula for calculating the circumference of ellipse
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]]>Apr 21, 2009 5:36:22 PMApr 21, 2009 5:36:22 PMshahramzafary8