From: david@adboyd.com (J. David Boyd)
To: help-gnu-emacs@gnu.org
Subject: Re: How to get hours from hh:mm
Date: Thu, 14 Jun 2007 16:15:39 -0400 [thread overview]
Message-ID: <m3r6oe9tsk.fsf@adboyd.com> (raw)
In-Reply-To: 46714963$0$328$e4fe514c@news.xs4all.nl
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.
> 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
It is based on dividing by 60.
0:45 is 45 minutes, which is 45/60 of an hour.
This becomes .75.
next prev parent reply other threads:[~2007-06-14 20:15 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
[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 [this message]
[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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