From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 18639 invoked from network); 16 Feb 2022 07:57:01 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 16 Feb 2022 07:57:01 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 92B549D044; Wed, 16 Feb 2022 17:56:57 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 386899D036; Wed, 16 Feb 2022 17:55:02 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id C316F9D036; Wed, 16 Feb 2022 17:54:58 +1000 (AEST) Received: from freefriends.org (freefriends.org [96.88.95.60]) by minnie.tuhs.org (Postfix) with ESMTPS id A396E9D035 for ; Wed, 16 Feb 2022 17:54:57 +1000 (AEST) X-Envelope-From: arnold@skeeve.com Received: from freefriends.org (freefriends.org [96.88.95.60]) by freefriends.org (8.14.7/8.14.7) with ESMTP id 21G7scDf011319 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 16 Feb 2022 00:54:38 -0700 Received: (from arnold@localhost) by freefriends.org (8.14.7/8.14.7/Submit) id 21G7sbUa011318; Wed, 16 Feb 2022 00:54:37 -0700 From: arnold@skeeve.com Message-Id: <202202160754.21G7sbUa011318@freefriends.org> X-Authentication-Warning: frenzy.freefriends.org: arnold set sender to arnold@skeeve.com using -f Date: Wed, 16 Feb 2022 00:54:37 -0700 To: tuhs@tuhs.org, dave@horsfall.org References: In-Reply-To: User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: [TUHS] Lorinda Cherry X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Dave Horsfall wrote: > On Wed, 16 Feb 2022, George Michaelson wrote: > > > I use BC as a daily driver like most people. I never quite got DC, and > > wondered at the duality of them. Very interesting to have the background > > explained. > > You know you're a greybeard if you can remember why the DC sequence > "99k2vp8opq" was so popular... > > -- Dave I guess I'm not enough of a greybeard: $ dc 99k2vp8opq 1.4142135623730950488016887242096980785696718753769480731766797379907\ 32478462107038850387534327641572 1.3240474631771674622042627661154672512575174353366027242235650231664\ 2753102603147144252257620301035270505416503 I recognize the first value as the square root of two. What is the second value? Thanks, Arnold