[Tugindia] Colour change in pdfscreen

[Kannan Moudgalya]

shrivijay phadke wrote:
> The simple pause works in beamer. The following code under beamer class will do the job:
> \begin{frame}\frametitle{uncover incrementally }$ a=0$see this \pause and then that \pause\begin{equation}   a=\pause b+ \pause c\end{equation}\end{frame} 
>
>   
Because of heavy duty need to use equations interspersed with text, I 
use the align environment.  In pdfscreen, pause works well with align.  
It does not work, unfortunately, in beamer class.

Kannan