Pi Computation
(Dec 31 2009)
2700 billion decimal digits of Pi computed with a desktop pc.
Formulas and Algorithms
(Jan 20 1997)
A modern and sooner system to
compute the n’th binary digit of Pi. The article (Jan 20 1997) in html or in PDF
pi_bin.pdf
(revised edition, Feb 2007). A systematic methodology to search out the same formulas is presented right here.
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(Jan 10 1997)
Simon Plouffe has
found an algorithm to compute the n’th digit of Pi in any unsuitable in
O(n^3log(n)^3) with little memory. We give right here an enchancment of his algorithm
to obtain a flee of O(n^2). The postscript file of the
alpha version
of the article: pi_n2.ps
, the html
version, and the corresponding implementation in C: pi.c
.
(Feb 27 1997) A sooner implementation which
makes use of the Gosper system : pi1.c .
(Feb 4 1997)
While making an strive out some numerical family with the PSLQ
algorithm
, I found this abnormal system for Pi:
with
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add advertising here(Aug 2003)Boris Gourevitch and Jesus Guillera
show how to uncover the same formulas.
Linked data

Fabrice Bellard –
http://bellard.org/