From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alberto Luaces Newsgroups: gmane.emacs.help Subject: Re: Emacs Calc - Npr and NCR functions Date: Wed, 20 Jul 2011 17:55:57 +0200 Message-ID: <87bowpx7xu.fsf@eps142.cdf.udc.es> References: <20110720084729.GA13679@gwsc.vic.edu.au> <87ipqxkys8.fsf@tsdh.uni-koblenz.de> <8A6A663F-52C9-4D8D-AE7A-24294B3D5847@Web.DE> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1311188881 19375 80.91.229.12 (20 Jul 2011 19:08:01 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 20 Jul 2011 19:08:01 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Jul 20 21:07:58 2011 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Qjc7g-0007lD-VP for geh-help-gnu-emacs@m.gmane.org; Wed, 20 Jul 2011 21:07:57 +0200 Original-Received: from localhost ([::1]:39219 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qjc7f-0008MH-Cl for geh-help-gnu-emacs@m.gmane.org; Wed, 20 Jul 2011 15:07:55 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:55516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QjZ8D-0003Ve-Rm for help-gnu-emacs@gnu.org; Wed, 20 Jul 2011 11:56:20 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QjZ8A-0003Sa-Ss for help-gnu-emacs@gnu.org; Wed, 20 Jul 2011 11:56:17 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:44040) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QjZ8A-0003S6-Ci for help-gnu-emacs@gnu.org; Wed, 20 Jul 2011 11:56:14 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1QjZ80-0001ha-VV for help-gnu-emacs@gnu.org; Wed, 20 Jul 2011 17:56:04 +0200 Original-Received: from eps142.cdf.udc.es ([193.144.52.142]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 20 Jul 2011 17:56:04 +0200 Original-Received: from aluaces by eps142.cdf.udc.es with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 20 Jul 2011 17:56:04 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 19 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: eps142.cdf.udc.es User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) Cancel-Lock: sha1:RIDwyPq9YZjayREe2DHdCoLC/uc= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 80.91.229.12 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:81697 Archived-At: Peter Dyballa writes: > Am 20.07.2011 um 12:54 schrieb Tassilo Horn: > >>> Does anyone know how to access the Npr and Ncr functions with Emacs >>> calc? >> >> What are those functions? > > Combinatorics, Binomial coefficients, permutations, combinations. Some > desk or pocket calculators provide such functions. > > I think nPr is n!/(n-k)! and nCr is n!/k!(n-k)!... > Try `k c', `H k c' ... -- Alberto