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Re: Quick math calc on any buffer


From: Scott Frazer
Subject: Re: Quick math calc on any buffer
Date: Sun, 22 Feb 2009 04:45:57 -0800 (PST)
User-agent: G2/1.0

On Feb 21, 11:42 am, Rodrigo Lazo <address@hidden> 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))))


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