From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: The next exercise Date: Thu, 15 Dec 2022 06:29:27 +0100 Message-ID: <87k02tute0.fsf@dataswamp.org> References: <87tu24tmv6.fsf@web.de> <574c1ceba8d5f62d3c07@heytings.org> <87edt8tklz.fsf@web.de> <574c1ceba8ee790f5f45@heytings.org> <87r0x8s3le.fsf@web.de> <87a63wuv1t.fsf@dataswamp.org> <87lendo15a.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33119"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:bJrXHe2ZzdPoheC25Liw5ovkB2I= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Dec 15 13:59:56 2022 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p5nq7-0008MT-At for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 15 Dec 2022 13:59:55 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p5npz-0008JJ-Uw; Thu, 15 Dec 2022 07:59:47 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5gon-0001eP-L7 for help-gnu-emacs@gnu.org; Thu, 15 Dec 2022 00:30:05 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5gol-0008FN-Uk for help-gnu-emacs@gnu.org; Thu, 15 Dec 2022 00:30:05 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1p5gok-0000Lj-Kp for help-gnu-emacs@gnu.org; Thu, 15 Dec 2022 06:30:02 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 15 Dec 2022 07:59:46 -0500 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:141754 Archived-At: Michael Heerdegen wrote: >> (1- (** 2 (* 8 (** (** 2 10) 4)))) >> >> It's an arithmetic overflow error! >> >> But what does it express? >> >> Hint: Start with (** 2 10) ... > > 2^2^43 - 1, right? What's it? It's too large to be the > largest known prime number, or I calculated wrong. I don't > know. Tell us. Oh, no! Hint 1: Start with (** 2 10) which is 1024. Hint 2: Think computers, not math ... -- underground experts united https://dataswamp.org/~incal