Thanks for your reply.  I now understand and I also agree it is a good
solution.

Best,
Ruy

On Nov 15, 2017 19:54, "Nicolas Goaziou" <mail@nicolasgoaziou.fr> wrote:

> Ruy Exel <ruyexel@gmail.com> writes:
>
> > Thanks very much.  Just out of curiosity I'd be interested in
> understanding
> > how did you do it.  My (non expert) impression is that using properties
> to
> > override column formulas isn't a good idea.
>
> The property is here to prevent evaluation of a column formula on
> a given field. It doesn't override anything.
>
> > It seems to me it would be more natural to apply cell formulas AFTER
> > all column formulas were applied, so that each cell would be simply
> > the output of the formula defining it.
>
> This is what happens already. The property prevents useless
> computations.
>
> Regards,
>