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Subject: Re: [office-formula] YEARFRAC again
On Thu, 2007-25-01 at 15:59 +0100, Eike Rathke wrote: > Hi, > > We already found out that OOo calculation for YEARFRAC's ACTUAL mode in > some corner cases is wrong, so I'll remove that TODO. However, there's > another TODO for YEARFRAC > > | TODO: Applications should probably implement the other actual/actual > | systems; we need to allocate “basis” numbers to them that everyone > | agrees on. > > I don't think we should define other systems there, for > interoperability's sake. I'll remove that as well if noone disagrees. I don't think a smallest common denominator system really improves interoperability. I think we should define as many basis numbers as reasonable and then define the behaviour if a basis number is not implemented. This may encourage programs to in fact support those basis numbers. The alternative would be that spreadsheets have to add their own functions to support those other systems. Andreas -- Andreas J. Guelzow, Professor Dept. of Mathematical & Computing Sciences Concordia University College of Alberta
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