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Posting-Version: version B 2.10.2 9/18/84; site watnot.UUCP
Path: utzoo!watmath!watnot!cagordon
From: cagordon@watnot.UUCP (Chris A. Gordon)
Newsgroups: net.sources
Subject: Re: Solving Pi
Message-ID: <11307@watnot.UUCP>
Date: Thu, 25-Jul-85 13:58:32 EDT
Article-I.D.: watnot.11307
Posted: Thu Jul 25 13:58:32 1985
Date-Received: Fri, 26-Jul-85 07:27:24 EDT
References: <187@ski.UUCP>
Reply-To: cagordon@watnot.UUCP (Chris A. Gordon)
Organization: U of Waterloo, Ontario
Lines: 21
Summary: 

In article <187@ski.UUCP> eeg@ski.UUCP (eeg systems (bcx) writes:
[ article deleted - program to calculate pi to X digits ]
>**	      infinity                    infinity
>**	      ____  16*(-1e(k+1))         ____  4*(-1e(k+1))
>**	      \                           \
>**	pi =   >    -------------    -     >    ------------
>**	      /                           /
>**	      ----  (2k-1)*5e(2k-1)       ----  (2k-1)*239e(2k-1)
>**	      k = 1                       k = 1
>**

Here is a more simple sum-evaluation of pi (thought I don't know if it will work
with the original program):

               oo
              ----         k-1
         |  | \        (-1)
    pi = +--+  >    ----------
	    | /       2k-1
	      ----
	      k=1