Hello,
Thanks to you two.
"Another solution is to define your own mixture of math fonts and text
fonts."
I thought you should not mix several fonts in one text. I know you're a
teacher, what are you doing to write your documents ?
Fabrice

Le mar. 15 oct. 2019 à 19:11, Otared Kavian <otared@gmail.com> a écrit :

> Hi Fabrice,
>
> Wolfgang gave the right answer, but I wanted to point out that it is
> better not to use \setupbodyfont in the middle of your document, as you did
> in the excerpt below: in this case it is better to use
>
> \switchtobodyfont[xits]
>
> or even better define the character you want before using it as in
>
> \define\CScript{\start\switchtobodyfont[xits] \m{\mathscript{C}} \stop}
>
> and then use that command as in:
>
> La droite \m{(AM)} est {\bf une sécante} à la courbe \CScript en \m{A}.
>
> Another solution is to define your own mixture of math fonts and text
> fonts.
>
> Best regards: OK
>
>
> On 15 Oct 2019, at 18:39, Fabrice Couvreur <fabrice1.couvreur@gmail.com>
> wrote:
>
>  La droite \m{(AM)} est {\bf une sécante} à la courbe
> {\setupbodyfont[xits]\m{{\mathscript C}}} en \m{A}.
>
>
>
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