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Subject: Re: [office-formula] Groups - OpenDocument Formula Specification2008-12-21 (ODT) (OpenDocument-formula-20081221.odt) uploaded


On Mon, 2009-01-12 at 13:32 +0100, Eike Rathke wrote:
> Hi Andreas,
> 
> On Sunday, 2008-12-21 16:32:49 -0700, Andreas J. Guelzow wrote:
> 
> > > - PERMUT() formula corrected.
> > 
> > How is this any more corect than before? What is "P subscript k,n"  or
> > P(n,k) anyways?
> 
> Isn't that the usual convention to write  P(n,k)=n!/(n-k)!  for this
> probability?
> 
> > SHouldn't that expression be not just deleted?
> > Especially if there appears to be an argument about whetehr it is
> > "correct" or not.
> 
> Should I better remove P(n,k) and keep the rest?

n!/(n-k)! has only one meaning. Whether P(n,k) is the "usual" convention
depends on your discipline. I think nPk and the twodimensional binomial
with n written above k are at least as common.

So removing the P(n,k) and keeping the rest might be a good idea.

Andreas




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