all messages for Emacs-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
From: Scott Frazer <frazer.scott@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Quick math calc on any buffer
Date: Sun, 22 Feb 2009 04:45:57 -0800 (PST)	[thread overview]
Message-ID: <866ac838-c9b2-4507-acca-08df9ddf5b94@l1g2000yqj.googlegroups.com> (raw)
In-Reply-To: mailman.1378.1235234577.31690.help-gnu-emacs@gnu.org

On Feb 21, 11:42 am, Rodrigo Lazo <rlazo....@gmail.com> wrote:
> Hi all,
>
> Is there a way to compute a math expression on any buffer? I mean, if I
> have a buffer with the following expression
>
> 2 + 3
>
> I want to mark the region and compute the result
>
> 2 + 3 = 5
>
> It doesn't seems too hard to do, I've looked on calculator.el for a
> "computing" function I can call but I didn't find it.
>

(defun my-calc-result (beg end)
  (interactive "r")
  (insert " = " (calc-eval (buffer-substring beg end))))


  parent reply	other threads:[~2009-02-22 12:45 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.1378.1235234577.31690.help-gnu-emacs@gnu.org>
2009-02-21 19:08 ` Quick math calc on any buffer B. T. Raven
2009-02-21 19:50   ` Thierry Volpiatto
2009-02-21 22:53 ` Marc Tfardy
2009-02-21 23:37   ` Richard Riley
2009-02-22 12:45 ` Scott Frazer [this message]
2009-02-22 14:30   ` Rodrigo Lazo
2009-02-22 17:16   ` Marc Tfardy
2009-02-24 23:20   ` Chetan
2009-02-24 23:29     ` Marc Tfardy
2009-02-25  0:22       ` Chetan
2009-02-24 15:25 Xavier Maillard
  -- strict thread matches above, loose matches on Subject: below --
2009-02-21 16:42 Rodrigo Lazo

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

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=866ac838-c9b2-4507-acca-08df9ddf5b94@l1g2000yqj.googlegroups.com \
    --to=frazer.scott@gmail.com \
    --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.
Code repositories for project(s) associated with this external index

	https://git.savannah.gnu.org/cgit/emacs.git
	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.