From ggrothendieck at gmail.com  Fri Jan  6 16:33:17 2006
From: ggrothendieck at gmail.com (ggrothendieck@gmail.com)
Date: Fri,  6 Jan 2006 16:33:17 +0100 (CET)
Subject: [Rd] Multiplication (PR#8466)
Message-ID: <20060106153317.0D12BE7B9@slim.kubism.ku.dk>

On 1/6/06, Thomas Lumley <tlumley at u.washington.edu> wrote:
> On Fri, 6 Jan 2006, casella at stat.ufl.edu wrote:
>
> > hi - in version 2.1 the command
> >
> > >-2^2
> >
> > gives
> >
> > -4
> >
> > as the answer.  (-2)^2 is evaluated correctly.
>
> So is -2^2.  The precedence of ^ is higher than that of unary minus. It
> may be surprising, but it *is* documented and has been in S for a long
> time.

See ?Syntax



[Rd] Multiplication (PR#8466)
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