[FOM] Wittgenstein's '770' in pi
Timothy Y. Chow
tchow at alum.mit.edu
Fri Jul 20 10:03:43 EDT 2007
"Harold Teichman" <hteichman at comcast.net> wrote:
> No such statements (about decimal expansions) figure prominently in the
> texts on number theory that I have seen. Could someone refer me to some
> actual literature in number theory (or any other part of mathematics)
> that has a bearing on this question?
If we change "decimal expansion" to "binary expansion," then it is de
rigueur to mention the Bailey-Borwein-Plouffe formula for pi. See, for
example:
http://www.math.hmc.edu/funfacts/ffiles/20010.5.shtml
This is usually advertised as a method for computing the nth binary digit
of pi without computing all the previous digits.
Tim
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