From: "Lennart Borgman (gmail)" <lennart.borgman@gmail.com>
To: reader@newsguy.com
Cc: help-gnu-emacs@gnu.org
Subject: Re: Using `eval-expression' for math
Date: Thu, 03 Apr 2008 15:53:02 +0200 [thread overview]
Message-ID: <47F4E13E.90809@gmail.com> (raw)
In-Reply-To: <8763uz3xss.fsf@newsguy.com>
reader@newsguy.com wrote:
> Can someone show me how to do math with the eval-expression tool?
>
> (+ 2 2) and such simple problems I can do of course but when it comes
> to combining things like:
>
> 52 * 32 / 12
>
> Trying (* 52 32 ( / 12))
>
> or
> (/ 12 ( * 52 32 ))
>
> Goes nowhere fast, and from there I can't really imagine how else to
> arrange the parens.
Just think "inner first" and watch for the argument order of course:
(/ (* 52 32) 12)
next prev parent reply other threads:[~2008-04-03 13:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-03 12:52 Using `eval-expression' for math reader
2008-04-03 13:53 ` Lennart Borgman (gmail) [this message]
2008-04-03 13:58 ` Thierry Volpiatto
2008-04-04 20:28 ` reader
2008-04-03 18:45 ` Nikolaj Schumacher
[not found] ` <mailman.9953.1207248322.18990.help-gnu-emacs@gnu.org>
2008-04-03 21:11 ` weber
2008-04-04 20:40 ` Jay Belanger
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