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Re: Emacs Calc - Npr and NCR functions
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From: |
Daniel Dalton |
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Subject: |
Re: Emacs Calc - Npr and NCR functions |
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Date: |
Thu, 21 Jul 2011 21:45:00 +1000 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Thank you.
Is it possible to use these from quick calc? (c-x * q)
Thanks very much.
Dan
On Wed, Jul 20, 2011 at 05:55:57PM +0200, Alberto Luaces wrote:
> Peter Dyballa writes:
>
> > Am 20.07.2011 um 12:54 schrieb Tassilo Horn:
> >
> >>> Does anyone know how to access the Npr and Ncr functions with Emacs
> >>> calc?
> >>
> >> What are those functions?
> >
> > Combinatorics, Binomial coefficients, permutations, combinations. Some
> > desk or pocket calculators provide such functions.
> >
> > I think nPr is n!/(n-k)! and nCr is n!/k!(n-k)!...
> >
>
> Try `k c', `H k c' ...