2007/4/26, fdu.xiaojf@gmail.com <fdu.xiaojf@gmail.com>:
>
> Aditya Mahajan wrote:
> > On Thu, 26 Apr 2007, fdu.xiaojf@gmail.com wrote:
> >
> >
> >> Hi,
> >>
> >> I want to get a sign of angstrom in an math formula, here is my
> example:
> >> %--------------------
> >> \starttext
> >> $\AA$
> >> \stoptext
> >>
> >
> > $\Angstrom$
> >
> > Also see the units modules for proper typesetting of units.
> >
> > Aditya
> >
> Thanks.
>
> Since I use ConTeXt to typeset math formulas frequently, I want to
> know more about this. Why \AA doesn't work?
>
> \AA is defined in plain TeX, and I think all plain TeX macros should
> work in ConTeX. Am I right ?
>
> Regrads,
>
> xiaojf


Hi,

you should also use the \text macro to write normal text in math mode.

\starttext
$$\text{\AA}^{\text{\AA}}$$
$$\Angstrom^{\Angstrom}$$
$$\text{\Angstrom}^{\text{\Angstrom}}$$
\stoptext

Wolfgang