On Sat, 08 Aug 2009, Bill Harris wrote:
> While we're on pi, there's another fairly decent way to calculate pi
> that comes from the domain of the analog array computer (the slide
> rule -- you do get multiple answers with one setting):
> 
>   355 % 113
> 
> It is a rather easy pattern to remember.

That should be first discovered by a Chinese mathematician some 1500
years ago.

-- 
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