Calculating Any Digit of Pi

Date: 05/16/2000 at 05:46:04
From: August Hiekkamaki
Subject: Calculating any digit of pi

Is there a formula that gives any digit of pi in any given place, like 
the fourth digit would be a 1? (3.1415)
                                    ^

Date: 05/16/2000 at 11:27:20
From: Doctor Schwa
Subject: Re: Calculating any digit of pi

No, not other than calculating all the decimal places prior.

However there is a miraculous formula that gives the nth digit in 
hexadecimal or binary. It is explained here:

  The Miraculous Bailey-Borwein-Plouffe Pi Algorithm
  - Steven Finch, Research and Development Team, MathSoft, Inc.
  http://pi.lacim.uqam.ca/eng/   

- Doctor Schwa, The Math Forum
  http://mathforum.org/dr.math/