Re: [math-fun] approximating pi by 1
James Propp <jamespropp@gmail.com> wrote:
(Of course when we're doing dimensional analysis we ignore dimensionless factors like pi, but that's not what I mean; I'm talking about replacing pi by 1 in calculations where getting an answer that's off by just one order of magnitude is good enough.)
Not Feynman, Fermi. See https://what-if.xkcd.com/84/
Thanks, Keith! Jim On Friday, January 27, 2017, Keith F. Lynch <kfl@keithlynch.net> wrote:
James Propp <jamespropp@gmail.com <javascript:;>> wrote:
(Of course when we're doing dimensional analysis we ignore dimensionless factors like pi, but that's not what I mean; I'm talking about replacing pi by 1 in calculations where getting an answer that's off by just one order of magnitude is good enough.)
Not Feynman, Fermi. See https://what-if.xkcd.com/84/
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