a= "Scilab"  /// \sleftarrow{\normalfont a \verb+1x1+ string matrix}
b=rand(2,2)   /// \sleftarrow{\normalfont a matrix}
b= b>= 0.5    /// \sleftarrow{\normalfont a boolean matrix}
L=list(a,b)  ///  \sleftarrow{\normalfont a list }
A.x = 32;A.y = %t ///  \sleftarrow{\normalfont a structure implemented using \verb+mlist+}
a= spec(rand(3,3)) ///  \sleftarrow{\normalfont eigenvalues: a vector of complex numbers}