Re: very long formulas...

[Dekel Tsur]

>
> AMS package provide several commands to do so.
> As usual,
> http://www.educat.hu-berlin.de/~voss/lyx/mathstuff/equations/node10.html
> to understand how it works...

But this requires using ERT.
Lyx supports the eqnarray environment, so it should be used for breaking
the equation (to use it press ctrl+enter in a display formula).

PS: 1.2.0 also supports the AMS align environment.