[OS X TeX] Re: A little help needed (math formula problem)

[Juan Luis Varona]

Ross Moore <ross at ...> writes:

> 
> the 'differential d' at the end of the integrals could be
>          made upright (e.g. \,\phi\mathrm{d}\phi )
> 

I don't like to use \mathrm{d} dor differentials
(nor \mathrm{e} and \mathrm{i} for the numbers e and i).
I always use \,dx, for instance.

In my opinion, it is not the tradition in English or Spanish books
to use upright d, e, or i.
Perhaps it is only a tradition in French.

Yours,

Juan Luis Varona
http://www.unirioja.es/cu/jvarona/