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office-formula message

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Subject: Re: [office-formula] DAYS360

On Fri, 2010-11-05 at 13:04 -0600, Patrick Durusau wrote:
> Greetings!
> We forgot to update DAYS360 when Rob did YEARFRAC.
> It still talks about US/NASD and European Method, which we know give
> different results. 
> I am moving on to enter other edits but wanted to point this out as an
> issue. 
> Suggestion: Should I simply make 0 = Procedure A and 1 = Procedure D?
> We say that DAYS360 varies from Procedure A. Is that because dates are
> never swapped or some other reason? 

The Gnumeric documentation says:
Note: If method is 0, the default, the MS Excel (tm) US method will be
used. This is a somewhat complicated industry standard method where the
last day of February is considered to be the 30th day of the month, but
only for start_date.

Note: If method is 1, the European method will be used.  In this case,
if the day of the month is 31 it will be considered as 30.

I am not sure of course whether this is consistent across implementation
but Gnumeric ought to match Excel in this case.


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