Re: How to get hours from hh:mm

[Pascal Bourguignon]

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.

How do you know that 0:45 is THREE QUARTERS of an hour?
What if it was 0:38 ?  How would you compute it in "mathematical notation"?


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__Pascal Bourguignon__                     http://www.informatimago.com/

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