Thanks to a message I received per email

> <with | math-display | true | … >
>
> it is available via the double Sigma sign in the focus bar — the menu
> item is called "Affichage en largeur" ("Wide display") in French,

and I add that it is "Large displayed" in English

G.


On 09.10.21 18:00, Giovanni Piredda wrote:
> Dear all,
>
> I also forgot how to format inline math in "display size" (I remember
> quite faintly that is is possible). Does anyone know?
>
> G.
>