Solving Pi
Chris A. Gordon
cagordon at watnot.UUCP
Fri Jul 26 03:58:32 AEST 1985
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
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