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Re: Quick math calc on any buffer
From: |
Rodrigo Lazo |
Subject: |
Re: Quick math calc on any buffer |
Date: |
Sun, 22 Feb 2009 09:30:23 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
Scott Frazer <address@hidden> writes:
> 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))))
>
Excellent! that is exactly what I was looking for.
Thanks a lot
--
Rodrigo Lazo (rlazo)