[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
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