Re: XIRR/Date Question



On Thu, May 02, 2002 at 05:16:48PM +0000, Daniel Bigham wrote:
My question relates to the dates that this function uses:

p.dates = collect_floats_value (argv[1], ei->pos, COLLECT_DATES, &d_n, 
&result);

(I'm assuming that this line interacts with the spreadsheet)

Any information on these 'double'-formatted dates would greatly be 
appreciated. Are they the number of days since 1900, etc?

Yes.  This represents the day fractions since Jan/1/1900 (and
assuming that 1900 was a leap year :-).  This is well documented in
most MS Excel documentation.



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