From: Alberto Luaces <aluaces@udc.es>
To: help-gnu-emacs@gnu.org
Subject: Re: Emacs Calc - Npr and NCR functions
Date: Wed, 20 Jul 2011 17:55:57 +0200 [thread overview]
Message-ID: <87bowpx7xu.fsf@eps142.cdf.udc.es> (raw)
In-Reply-To: 8A6A663F-52C9-4D8D-AE7A-24294B3D5847@Web.DE
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
next prev parent reply other threads:[~2011-07-20 15:55 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
2011-07-20 14:49 ` Tassilo Horn
2011-07-20 15:55 ` Alberto Luaces [this message]
2011-07-21 11:45 ` Daniel Dalton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87bowpx7xu.fsf@eps142.cdf.udc.es \
--to=aluaces@udc.es \
--cc=help-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).