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From: holland@uiucdcs.UUCP
Newsgroups: net.math
Subject: Re: PI is irrational
Message-ID: <28200048@uiucdcs.UUCP>
Date: Thu, 3-Jan-85 16:47:00 EST
Article-I.D.: uiucdcs.28200048
Posted: Thu Jan  3 16:47:00 1985
Date-Received: Sat, 5-Jan-85 02:41:10 EST
References: <17957@lanl.UUCP>
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Nf-ID: #R:lanl:-1795700:uiucdcs:28200048:000:361
Nf-From: uiucdcs!holland    Jan  3 15:47:00 1985

PI can be computed by as an infinite series.  (There is a relatively
simple one, which converges slowly.)

In fact, any real number can be computed as an infinite series. Let
d(i) be the ith digit after the decimal point and let d(0) be the
integer part (to the left of the decimal point).  Then

number  =  d(0)/10^0 + d(1)/10^1 + d(2)/10^2 + d(3)/10^3 + ...