From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Cecil Westerhof Newsgroups: gmane.emacs.help Subject: Re: How to get hours from hh:mm Date: Thu, 14 Jun 2007 15:57:55 +0200 Message-ID: <46714963$0$328$e4fe514c@news.xs4all.nl> References: <467136b6$0$69886$e4fe514c@news.xs4all.nl> <878xamk6bb.fsf@thalassa.lan.informatimago.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Trace: sea.gmane.org 1181832062 12319 80.91.229.12 (14 Jun 2007 14:41:02 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 14 Jun 2007 14:41:02 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Jun 14 16:41:01 2007 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 1HyqVN-00054f-BG for geh-help-gnu-emacs@m.gmane.org; Thu, 14 Jun 2007 16:40:57 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HyqVM-0005LN-Tq for geh-help-gnu-emacs@m.gmane.org; Thu, 14 Jun 2007 10:40:56 -0400 Original-Path: shelby.stanford.edu!headwall.stanford.edu!newshub.sdsu.edu!feeder.news-service.com!feeder.news-service.com!newsgate.cistron.nl!xs4all!transit1.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Original-Newsgroups: gnu.emacs.help User-Agent: KNode/0.8.0 Original-Lines: 19 Original-NNTP-Posting-Host: 213.84.157.201 Original-X-Trace: 1181829475 news.xs4all.nl 328 [::ffff:213.84.157.201]:26541 Original-X-Complaints-To: abuse@xs4all.nl Original-Xref: shelby.stanford.edu gnu.emacs.help:149476 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:45064 Archived-At: Pascal Bourguignon wrote: > Cecil Westerhof writes: > >> I have a table in org-mode with time needed to travel from A to B an the >> number of km. I would like to get the average speed. How do I convert a >> time? For example 0:45 becomes 0.75. > > How do you know that 0:45 becomes 0.75? > > How did you do it? I did not. I want. 0:45 is three quarters of an hour, so in mathematical notation 0.75. What I would like: - the first field contains 90 - the second field contains 0:45, or 00:45 - the third field is computed to 120