From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thierry Volpiatto Newsgroups: gmane.emacs.help Subject: Re: Quick math calc on any buffer Date: Sat, 21 Feb 2009 20:50:45 +0100 Message-ID: <87ljrzpo16.fsf@tux.homenetwork> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1235246285 18456 80.91.229.12 (21 Feb 2009 19:58:05 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 21 Feb 2009 19:58:05 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Feb 21 20:59:20 2009 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Lay0M-0006rO-Q6 for geh-help-gnu-emacs@m.gmane.org; Sat, 21 Feb 2009 20:59:19 +0100 Original-Received: from localhost ([127.0.0.1]:39792 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Laxz2-0005mP-4s for geh-help-gnu-emacs@m.gmane.org; Sat, 21 Feb 2009 14:57:56 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Laxyi-0005mA-1O for help-gnu-emacs@gnu.org; Sat, 21 Feb 2009 14:57:36 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Laxyf-0005ly-GU for help-gnu-emacs@gnu.org; Sat, 21 Feb 2009 14:57:34 -0500 Original-Received: from [199.232.76.173] (port=55914 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Laxyf-0005lv-Af for help-gnu-emacs@gnu.org; Sat, 21 Feb 2009 14:57:33 -0500 Original-Received: from main.gmane.org ([80.91.229.2]:35800 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Laxye-00030P-Se for help-gnu-emacs@gnu.org; Sat, 21 Feb 2009 14:57:33 -0500 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1Laxyc-0001tI-LN for help-gnu-emacs@gnu.org; Sat, 21 Feb 2009 19:57:30 +0000 Original-Received: from 121.77.197-77.rev.gaoland.net ([77.197.77.121]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 21 Feb 2009 19:57:30 +0000 Original-Received: from thierry.volpiatto by 121.77.197-77.rev.gaoland.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 21 Feb 2009 19:57:30 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 39 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 121.77.197-77.rev.gaoland.net User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.0.90 (gnu/linux) Cancel-Lock: sha1:oXeT0/ivFVWbshP8Fk4U/nuElAY= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:62248 Archived-At: "B. T. Raven" writes: > Rodrigo Lazo wrote: >> Hi all, >> >> Is there a way to compute a math expression on any buffer? I mean, if I >> have a buffer with the following expression >> >> 2 + 3 >> >> I want to mark the region and compute the result >> >> 2 + 3 = 5 >> >> It doesn't seems too hard to do, I've looked on calculator.el for a >> "computing" function I can call but I didn't find it. >> >> Regards >> > > Bind the calculator-save-and-quit function to a key-chord. I use > C-. Then the same combo will copy result to kill-ring and exit > (that is, kill calc buffer). C-y will paste result into buffer from > which the calculator was invoked. If you don't like this solution, you > can open a line in a buffer in any mode and then evaluate the lisp > expression on that line > > (+ 2 3) C-x C-e > > shows 5 in the mini-buffer. Also, C-u M-x eshell-command RET (+ 2 3) RET will insert the result (5) at point in current buffer. -- A + Thierry Volpiatto Location: Saint-Cyr-Sur-Mer - France