Update: 8 July 2021

- Ivars Peterson, "Pick a digit, any digit,"
*Science News Online*, 28 Feb 1998, available at PDF. - Charles Seife, "Randomly distributed slices of pi,"
*Science*, vol. 293, 3 Aug 2001, pg. 793, available at PDF. - Ivars Peterson, "Pi a la mode,"
*Science News*, 1 Sep 2001, available at PDF. - W. Wayt Gibbs, "A digital slice of pi: A new way to do pure math: Experimentally,
*Scientific American*, May 2003, pg. 23, available at PDF - Erica Klarreich, "Math Lab: Computer experiments are transforming mathematics,"
*Science News*, vol. 165, 24 Apr 2004, available at PDF - June Kronholz, "If pious revelry gets you down, calculate the joys of pi day,
*Wall Street Journal*, 15 Mar 2005, available at HTML. - John Markoff, "14,159,265 new slices of rich technology,"
*New York Times*, 19 Aug 2005, available at HTML. - Ivars Peterson, "Quilting pi,"
*Science News*, 6 May 2006, available at HTML. - Erica Klarreich, "Springfield theory: mathematical references abound on The Simpsons,"
*Science News*, 10 Jun 2006, available at HTML.

See also item #2 in the next section below for the fax mentioned in this article. - Elizabeth Landau, "On pi day, one number 'reeks of mystery',"
*CNN*, 12 Mar 2010, available at HTML. - Linda Vu, "Supercomputers crack sixty-trillionth binary digit of Pi-Squared," Dept. of Energy, 28 Apr 2011, available at HTML.
- David H. Bailey and Jonathan M. Borwein, "Are the digits of pi random?,"
*Huffington Post*, 16 Apr 2013, available at HTML. - [no author], "Just in time for pi day,"
*Newswise*, 4 Mar 2014, available at HTML.

- David Anderson's decimal pi search facility: HTML
- Fax to Bailey from "The Simpsons" TV show requesting digits of pi:
PDF.

Note: The 40,000th digit of pi was provided to the show by Bailey: HTML. - Alexander Yee's pi site (describes his computer program for computing pi to 50 trillion digits, as of the above date): HTML
- Fortran-90 and C programs implementing the BBP pi algorithm: HTML.
- The University of Newcastle/CARMA "Walking on Numbers" site (random walk on the first 100 billion base-4 digits of pi): HTML
- LBNL "wonder" website: HTML

- David H. Bailey, Peter B. Borwein and Simon Plouffe, "On the rapid computation of various polylogarithmic constants" (original paper of the BBP formula and algorithm),
*Mathematics of Computation*, vol. 66, no. 218 (Apr 1997), pg. 903-913, available at PDF. - David H. Bailey, Jonathan M. Borwein, Peter B. Borwein and Simon Plouffe, "The quest for pi,"
*Mathematical Intelligencer*, vol. 19, no. 1 (Jan 1997), pg. 50-57, available at PDF. - David H. Bailey, "The BBP algorithm for pi," manuscript, 17 Sep 2006, available at PDF.
- Jonathan Borwein, "The life of pi: From Archimedes to Eniac and beyond," manuscript, Mar 2010, available at PDF.
- David H. Bailey, Jonathan M. Borwein, Andrew Mattingly and Glenn Wightwick, "The computation of previously inaccessible digits of pi^2 and Catalan's constant,"
*Notices of the American Mathematical Society*, to appear, 11 Apr 2011, available at PDF. - David H. Bailey, Jonathan M. Borwein, Cristian S. Calude, Michael J. Dinneen, Monica Dumitrescu and Alex Yee, "An empirical approach to the normality of pi,"
*Experimental Mathematics*, vol. 21 (2012), pg. 375-384, available at PDF. - David H. Bailey and Jonathan M. Borwein, "Pi day is upon us again, and we still do not know if pi is normal,"
*American Mathematical Monthly*, March 2014, pg. 191-206, available at PDF. - David H. Bailey, "A short history of pi formulas," manuscript, 8 Nov 2016, available at PDF.
- David H. Bailey, "A compendium of BBP-Type formulas for mathematical constants," manuscript, 15 Aug 2017, available at PDF.
- David H. Bailey, "A collection of mathematical formulas involving pi," manuscript, 6 Feb 2018, available at PDF.