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Re: In CVS Emacs, calc-eval gives multiplication higher precidence than


From: Carsten Dominik
Subject: Re: In CVS Emacs, calc-eval gives multiplication higher precidence than division
Date: Mon, 8 Sep 2008 12:30:11 +0200


On Sep 7, 2008, at 10:32 PM, Randal L. Schwartz wrote:

"Stefan" == Stefan Monnier <address@hidden> writes:

Stefan> I think Calc is plainly wrong is giving higher precedence to the Stefan> multiplication because it's completely non standard. But since I don't Stefan> use Calc much and since it's been that way for a while, I won't fight
Stefan> for it.


I would fight for the current calc implementation, it is an important convenience when entering equations. I am relying on it every day.

- Carsten





Given the original author's mathematics bias, it made sense (to me, as
an early tester and contributor) that:

  2 * 3 / 4 * 5

would be parsed as

  (2 * 3) / (4 * 5)

in a mathematical sense.

Admittedly, if you're a computer-science guy and not a math guy, this might
seem initially odd.

--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<address@hidden> <URL:http://www.stonehenge.com/merlyn/>
Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc.
See http://methodsandmessages.vox.com/ for Smalltalk and Seaside discussion








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