User talk:Gill&glenn

This is incorrect; the formula on Mathworld is incorrect. The original formula is correct and consistent with the other formulas on the page (eg. if you integrate the PDF function). — Preceding unsigned comment added by Willma353 (talk • contribs) 17:36, 29 March 2016‎ (UTC)

Actually, both are correct, but cover two different cases. See this link: http://www.itl.nist.gov/div898/handbook/eda/section3/eda366g.htm — Preceding unsigned comment added by 130.237.64.130 (talk) 08:49, 4 May 2016 (UTC)