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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.puzzle
Subject: Re: x to the x to the x ...
Message-ID: <10203@brl-tgr.ARPA>
Date: Thu, 25-Apr-85 12:34:29 EST
Article-I.D.: brl-tgr.10203
Posted: Thu Apr 25 12:34:29 1985
Date-Received: Sat, 27-Apr-85 02:39:23 EST
References: <748@whuxlm.UUCP>
Distribution: net
Organization: Ballistic Research Lab
Lines: 5

> x^x^x^x... = 2

x = sqrt(2)

easy enough