\begin{center}\begin{minipage}{15cm}\begin{Verbatim}[frame=single]
> a = { .f = exp(x), .dom = [-1;1] };
> a;
{ .f = exp(x), .dom = [-1;1] }
> a.f;
exp(x)
> a.dom;
[-1;1]
> b.f = sin(x);
> b.dom = [-1b-5;1b-5];
> b;
{ .dom = [-3.125e-2;3.125e-2], .f = sin(x) }
> { .f = asin(x), .dom = [-1;1] }.f(1);
Warning: rounding has happened. The value displayed is a faithful rounding to 16
5 bits of the true result.
1.57079632679489661923132169163975144209858469968754
\end{Verbatim}
\end{minipage}\end{center}
