--> write javascript script (OK, users trusted ? ==> safe mode possible if public website)
Imaginary example: (using math.js)
<params> (avant l'exo)
- x: math.random()
- y: math.random()
- M: math.matrix([[7, x], [y, -3]]);
- res: math.det(M)
+ const x = math.random()
+ const y = math.random()
</params>
+ <result>
+ let M = math.matrix([[7, x], [y, -3]]);
+ return math.det(M);
+ </result>
<div>Calculer le déterminant de
- $$\begin{matrix}7 & x\\y & -3\end{matrix}$$</div>
+ $$\begin{matrix}7 & £x£\\£y£ & -3\end{matrix}$$</div>
* ...
+ fixed + question time (syntax ?)