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Re: How to =B1?

• To: mathgroup at smc.vnet.net
• Subject: [mg103687] Re: How to =B1?
• From: "M.Roellig" <markus.roellig at googlemail.com>
• Date: Fri, 2 Oct 2009 08:25:08 -0400 (EDT)
• References: <ha2113$n6o$1@smc.vnet.net>

Hi,

check the Error Propagation Package by Markus Lischka:

http://users.physik.tu-muenchen.de/mlischka/mathematica/ErrorPropagation.m

You should also take a look at the documentation for Interval.
There is an article about Interval Arithmetic in Mathematica in the
Mathematica Journal:

http://library.wolfram.com/infocenter/Articles/2612/

Cheers,

Markus

On 1 Okt., 12:41, olliH <oliver.hofh... at googlemail.com> wrote:
> Hi how do I make an expression with the =B1 Operator?
>
> In = x =B1 1
> Out = {x+1,x-1}
>
> (=B1 is the plus/minus symbol if this does not show up
> properly - moderator)