> Date: Thu, 18 Oct 2001 13:09:19 -0700
> From: Yoon Ha Lee <yl112@...>
>
> On Thursday, October 18, 2001, at 12:12 , Patrick Jarrett wrote:
>
> > Its something like 3 + 1/3 - 1/5 + 1/7 - 1/9.... or something
> > along those lines. Quite interesting.
It's actually \pi/4 = 1 - 1/3 + 1/5 - 1/7 + 1/9 - ...
> There are other ways you can define/produce pi, though the sum
> [above] is one of the "prettier" ones IMHO. Unfortunately I have
> almost none of my math books on me, or I'd whip out a couple
> alternates. :-)
<URL:http://www-groups.dcs.st-andrews.ac.uk/~history/HistTopics/Pi_through_the_ages.html>
Lars Mathiesen (U of Copenhagen CS Dep) <thorinn@...> (Humour NOT marked)