[texhax] Hacking \circleddash

[Philip G. Ratcliffe]

> My attempt to hack a 'standard state' symbol which 
> looks like a circle with a horizontal line thru it
> it would only ever be used as a superscript in math mode 
> is not great, even downright poor ... see \notzero below
>
> ideally a hack of the AMS symbol \circleddash with a 
> smaller circle and/or a longer line
> would fit the bill.  The closest I have found in the 
> Comprehensive LaTeX Symbol List
> is \minuso in the stmaryrd package which I do not want 
> to use ...
>
> So how does one redefine \circleddash to suit?

If you really mean a circle, what about this?

\def\notzero{{{-}\mkern-11.5mu\circ}}

or a little bigger

\def\notZero{{\mathchar'174\mkern-15mu{\bigcirc}\mkern-15mu\mathchar'174}}

Cordialmente,  Philip G. Ratcliffe