Solving Pi

[Chris A. Gordon]

In article <187 at ski.UUCP> eeg at 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