From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dieter Wilhelm Newsgroups: gmane.emacs.devel Subject: Re: constant `e' Date: Sat, 10 Feb 2007 00:07:24 +0100 Organization: The Church of Emacs Message-ID: <87y7n7yloz.fsf@hans.local.net> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1171062491 19452 80.91.229.12 (9 Feb 2007 23:08:11 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 9 Feb 2007 23:08:11 +0000 (UTC) Cc: Drew Adams , emacs-devel@gnu.org To: rms@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Feb 10 00:08:05 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1HFeqa-0008Mk-Lq for ged-emacs-devel@m.gmane.org; Sat, 10 Feb 2007 00:08:04 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HFeqa-0004bq-3B for ged-emacs-devel@m.gmane.org; Fri, 09 Feb 2007 18:08:04 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HFeq9-0004Xe-PQ for emacs-devel@gnu.org; Fri, 09 Feb 2007 18:07:37 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HFeq8-0004XS-1h for emacs-devel@gnu.org; Fri, 09 Feb 2007 18:07:36 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HFeq7-0004XP-Tf for emacs-devel@gnu.org; Fri, 09 Feb 2007 18:07:35 -0500 Original-Received: from moutng.kundenserver.de ([212.227.126.177]) by monty-python.gnu.org with esmtp (Exim 4.52) id 1HFeq5-0007p6-M7; Fri, 09 Feb 2007 18:07:33 -0500 Original-Received: from [84.167.13.244] (helo=duenenhof-wilhelm.de) by mrelayeu.kundenserver.de (node=mrelayeu0) with ESMTP (Nemesis), id 0MKwh2-1HFeq40igD-0004TR; Sat, 10 Feb 2007 00:07:32 +0100 Original-Received: by duenenhof-wilhelm.de (Postfix, from userid 1000) id 7DB7576750; Sat, 10 Feb 2007 00:07:24 +0100 (CET) In-Reply-To: (Richard Stallman's message of "Fri\, 09 Feb 2007 09\:23\:35 -0500") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.93 (gnu/linux) X-Provags-ID: kundenserver.de abuse@kundenserver.de login:d7ab225b98a136e1c2910381f940ecb9 X-Provags-ID2: V01U2FsdGVkX1+S6DzQElrIajkZzn8i5mrfv4ogGicKmCjDXBWCm7cbZK7gzZ7KQHMGiPvD7wD9cAXzuQD3NeBgU3yYRtjs7xVcT6Ky4sYXOjZ7mnIe/xS22Ch0cU5jE1+s X-detected-kernel: Linux 2.6? (barebone, rare!) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:66189 Archived-At: Richard Stallman writes: > I could consider renaming it (later) if someone suggests a good new > name. I've never seen capital letters in Elisp code. So wouldn't it be appropriate to end a convention for "unconventional" Elisp objects and to finally use an inherent, for my taste, neglected language feature? e -> E pi -> Pi (This is also the traditional form in the Math program Mathematica.) other approaches not mentioned so far: pi -> P (Keybinding from Emacs Calc) e -> ee (borrowed from Mathematica's input form of the complex unit ii and exp[1] as ee) pi -> pi() (borrowed from MySQL and Excel) e -> e() But python uses also the constants e and pi. The Math program Matlab uses the constant pi and i but not e (exp[1]). -- Best wishes H. Dieter Wilhelm Darmstadt, Germany