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Re: Emacs Calc - Npr and NCR functions


From: Alberto Luaces
Subject: Re: Emacs Calc - Npr and NCR functions
Date: Wed, 20 Jul 2011 17:55:57 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)

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' ...

-- 
Alberto




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