http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7979394&tstart=0#7979394 Jan 6, 2013 3:17:50 AM Jan 6, 2013 3:37:59 AM thomasinventions@yahoo.com 0 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 PM Feb 2, 2012 2:11:38 PM thomasinventions@yahoo.com 0 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 PM Jan 15, 2012 3:13:24 AM thomasinventions@yahoo.com 1 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 PM Jun 14, 2009 1:31:21 PM DWCantrell@sigmaxi.org 3 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 PM May 16, 2009 3:22:52 PM shahramzafary 4 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 AM Apr 27, 2009 8:22:23 AM DWCantrell@sigmaxi.org 5 http://mathforum.org/kb/thread.jspa?messageID=6683953&tstart=0#6683953 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 PM Apr 22, 2009 4:02:00 PM shahramzafary 0 http://mathforum.org/kb/thread.jspa?messageID=6683352&tstart=0#6683352 > 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 AM Apr 22, 2009 3:36:58 AM avniu66@hotmail.com 1 http://mathforum.org/kb/thread.jspa?messageID=6683056&tstart=0#6683056 ]]> Apr 21, 2009 5:36:22 PM Apr 21, 2009 5:36:22 PM shahramzafary 8