From: Alexis Roda <alexis.roda.villalonga@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: How to get hours from hh:mm
Date: Thu, 14 Jun 2007 21:06:31 +0200 [thread overview]
Message-ID: <467191B7.8010001@gmail.com> (raw)
In-Reply-To: <873b0uie6z.fsf@thalassa.lan.informatimago.com>
En/na Pascal Bourguignon ha escrit:
> Cecil Westerhof <dummy@dummy.nl> writes:
>
>> Pascal Bourguignon wrote:
>>
>>> Cecil Westerhof <dummy@dummy.nl> 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.
Something like this could be helpful:
(defun time100(time)
(let ((timelist (split-string time ":")))
(+ (string-to-number (car timelist))
(/ (string-to-number (cadr timelist))
60.0))))
HTH
next prev parent reply other threads:[~2007-06-14 19:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-14 12:38 How to get hours from hh:mm Cecil Westerhof
2007-06-14 13:35 ` Pascal Bourguignon
2007-06-14 13:57 ` Cecil Westerhof
2007-06-14 18:27 ` Pascal Bourguignon
2007-06-14 19:06 ` Alexis Roda [this message]
[not found] ` <mailman.2173.1181847997.32220.help-gnu-emacs@gnu.org>
2007-06-16 15:10 ` Cecil Westerhof
2007-06-16 15:32 ` Cecil Westerhof
2007-06-16 15:41 ` Joost Kremers
2007-06-16 15:52 ` David Kastrup
2007-06-16 17:28 ` Cecil Westerhof
2007-06-16 16:16 ` Stephen Berman
2007-06-14 20:15 ` J. David Boyd
[not found] ` <mailman.2178.1181852166.32220.help-gnu-emacs@gnu.org>
2007-06-15 5:52 ` Pascal Bourguignon
2007-06-15 6:06 ` cmr.Pent
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