Re: What does +- mean?

*To*: mathgroup at smc.vnet.net*Subject*: [mg47553] Re: [mg47519] What does +- mean?*From*: Andrzej Kozlowski <akoz at mimuw.edu.pl>*Date*: Fri, 16 Apr 2004 05:20:18 -0400 (EDT)*References*: <200404150739.DAA11584@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

On 15 Apr 2004, at 16:39, Lautaro Vergara wrote: > Hi, > > I have found (v. 5.0) an extrange thing: when one expands, e.g., > > Series[Sqrt[-1/2+x^2],{x,0,4}] > > there appear a +- sign (which is correctly not present when one changes > -1/2 by -1) > > is this a bug or a feature? > > Thanks > > L. Vergara > > If you look at InputForm (or apply Normal) you will see these are just minuses , in other words a +- b is just a-b. So it looks like a bug in the way StandardForm and TraditionalForm display SeriesData objects. Andrzej Kozlowski Chiba, Japan http://www.mimuw.edu.pl/~akoz/

**References**:**What does +- mean?***From:*Lautaro Vergara <lvergara@lauca.usach.cl>