From: Peter Dyballa <Peter_Dyballa@Web.DE>
To: Tassilo Horn <tassilo@member.fsf.org>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Emacs Calc - Npr and NCR functions
Date: Wed, 20 Jul 2011 15:00:54 +0200 [thread overview]
Message-ID: <8A6A663F-52C9-4D8D-AE7A-24294B3D5847@Web.DE> (raw)
In-Reply-To: <87ipqxkys8.fsf@tsdh.uni-koblenz.de>
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)!...
--
Mit friedvollen Grüßen
Pete
Well begun is half done.
– Optimist.
Half done is well begun.
– Realist.
Half begun is well done.
– Australian.
next prev parent reply other threads:[~2011-07-20 13:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-20 8:47 Emacs Calc - Npr and NCR functions Daniel Dalton
2011-07-20 10:54 ` Tassilo Horn
2011-07-20 13:00 ` Peter Dyballa [this message]
2011-07-20 14:49 ` Tassilo Horn
2011-07-20 15:55 ` Alberto Luaces
2011-07-21 11:45 ` Daniel Dalton
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