On Wed, 20 Aug 2014 09:38:49 +0200
Xan <dxpublica@telefonica.net> ha escrit:

> Hi,
> 
> $\overbar{OA'} = 3,4$, puts me overbar with two steps: one for $O$ and one for $A'$. Is there any way for putting overbar just "on top" of the expression?
> 
> Thanks,
> Xan
> 
> PS: Please CCme

Yes.