\gdlfunref{TOTAL}
\gdlfunref{SQRT}
\gdlfunref{REVERSE}
\gdlfunref{SHIFT}
\gdlfunref{MAX}
\gdlfunref{MIN}
\gdlfunref{MEAN}
\gdlfunref{NORM}
\gdlfunref{CONVOL}
\gdlfunref{PRODUCT}
\gdlfunref{CROSSP}
\gdlfunref{DERIV}
\gdlfunref{INVERT}
\gdlfunref{MATRIX-MULTIPLY}
\gdlfunref{TRACE}
\gdlfunref{TRANSPOSE} (\gdlfunref{ROTATE})

\gdlfunref{UNIQ}?
