Subject: bug#918: In CVS Emacs, calc-eval gives multiplication higher precidence than division

From: Francis Litterio <[email-masked]>
Date: Sun, 07 Sep 2008 14:15:35 -0400

Jay Belanger wrote:

> Francis Litterio writes:
> ...
>> In CVS Emacs, function calc-eval (in lisp/calc/calc.el) gives
>> multiplication higher precidence than division.
>
> That's not a bug.  While many systems give division a higher precendence
> than multiplication, that isn't a universal rule.  Calc has always given
> multiplication a higher precendence, and something like
> 1 / 2 * 1000
> can be viewed as shorthand for
>    1
> --------
> 2 * 1000
> Some people don't like this, some people do, but this choice is
> established Calc behavior and is highlighted in the manual.  To divide
> first, it's probably better style regardless to put in the parentheses:
> (1 / 2) * 1000

Thanks, Jay.

My apologies for rehashing old news.  I just discovered the discussion
thread at:

	http://thread.gmane.org/gmane.emacs.devel/69436
--
Fran