From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Error in the units conversion in calc-embedded Date: Mon, 26 Feb 2024 03:21:58 +0100 Message-ID: <878r38hsmx.fsf@web.de> References: <170885869431.7.17666163991579331659.274141477@slmails.com> Reply-To: Michael Heerdegen Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35576"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:EvZ31WqheNSVEvpg2LX6O+8N36k= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Feb 26 03:22:32 2024 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 1reQdT-00094D-Qj for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 26 Feb 2024 03:22:31 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1reQcp-0002Qk-BS; Sun, 25 Feb 2024 21:21:51 -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 1reQcn-0002QY-Ju for help-gnu-emacs@gnu.org; Sun, 25 Feb 2024 21:21:49 -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 1reQch-0006cv-AM for help-gnu-emacs@gnu.org; Sun, 25 Feb 2024 21:21:47 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1reQcb-00080o-Ge for help-gnu-emacs@gnu.org; Mon, 26 Feb 2024 03:21:37 +0100 X-Injected-Via-Gmane: http://gmane.org/ 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, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action 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:145986 Archived-At: Kepa via Users list for the GNU Emacs text editor writes: > I try to simplify units to m^3/hr: > > 3 m^3 / s + 70 m^3 / hr > > 1. M-x calc-embedded > 2. u c >     - Old units: m^3/s >     - New utis: m^3/hr > > Result is OK, but units are wrong: > > 10870. m^3 / s Hmm - the correct result 10870 m^3 / hr - so the result from Calc is mathematically wrong. calc-embedded is not related, this happens in "standard" Calc also. Could you please make a bug report? BTW, you should get the correct result when you first simplify units (u s) and convert afterwards. Unit conversion seems to get confused when the expression is a sum of summands in different units. TIA, Michael.