- Receiving the following content -
From: John Clark
Receiver: everything-list
Time: 2012-08-18, 11:01:39
Subject: Re: On calculating pi
On Sat, Aug 18, 2012 at 9:50 AM, Roger wrote:
>how can they know if the calculation of pi is very precise if they
don't really know befor
On Sat, Aug 18, 2012 at 9:50 AM, Roger wrote:
>how can they know if the calculation of pi is very precise if they
> don't really know beforehand what its precise value should be ?
>
But we do know the precise value of pi, 250 years ago Euler proved that pi
squared divided by 6 is EXACTLY equal
On 18 Aug 2012, at 15:50, Roger wrote:
Hi Bruno Marchal
BTW how can they know if the calculation of pi is very precise if they
don't really know beforehand what its precise value should be ?
Because PI is a clear concept, and you can prove that some algorithm
computes its exact value, as
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