GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
\begin{theindex}
\item \texttt {\#}, \hyperpage{17}
\item \texttt {*}
\subitem for fans, \hyperpage{9}
\subitem for polytopes, \hyperpage{17}
\item \textsf{Convex}, \hyperpage{4}
\indexspace
\item \texttt {AffineCone}, \hyperpage{16}
\item \texttt {AmbientSpaceDimension}, \hyperpage{6}
\indexspace
\item \texttt {Cone}
\subitem for a ray list, \hyperpage{13}
\item \texttt {ContainingGrid}, \hyperpage{7}
\item \texttt {Contains}, \hyperpage{13}
\indexspace
\item \texttt {DefiningInequalities}, \hyperpage{12}
\item \texttt {Dimension}, \hyperpage{6}
\item \texttt {DrawObject}, \hyperpage{7}
\item \texttt {DualCone}, \hyperpage{11}
\indexspace
\item \texttt {FacetInequalities}, \hyperpage{16}
\item \texttt {Facets}, \hyperpage{12}
\item \texttt {FactorGrid}, \hyperpage{12}
\item \texttt {FactorGridMorphism}, \hyperpage{12}
\item \texttt {Fan}
\subitem For a list of rays and a list of cones, \hyperpage{10}
\subitem For Fans, \hyperpage{10}
\indexspace
\item \texttt {GridGeneratedByCone}, \hyperpage{12}
\item \texttt {GridGeneratedByOrthogonalCone}, \hyperpage{12}
\indexspace
\item \texttt {HasConvexSupport}, \hyperpage{9}
\item \texttt {HilbertBasis}, \hyperpage{11}
\indexspace
\item \texttt {IntersectionOfCones}, \hyperpage{13}
\item \texttt {IsComplete}, \hyperpage{8}
\item \texttt {IsCone}, \hyperpage{11}
\item \texttt {IsContainedInFan}, \hyperpage{12}
\item \texttt {IsConvexObject}, \hyperpage{6}
\item \texttt {IsFan}, \hyperpage{8}
\item \texttt {IsFullDimensional}, \hyperpage{6}
\item \texttt {IsLatticePolytope}, \hyperpage{15}
\item \texttt {IsNormalPolytope}, \hyperpage{15}
\item \texttt {IsNotEmpty}, \hyperpage{15}
\item \texttt {IsPointed}, \hyperpage{8}
\item \texttt {IsPolytope}, \hyperpage{15}
\item \texttt {IsRay}, \hyperpage{11}
\item \texttt {IsRegularFan}, \hyperpage{8}
\item \texttt {IsSimplePolytope}, \hyperpage{16}
\item \texttt {IsSimplicial}
\subitem for a fan, \hyperpage{9}
\subitem for a polytope, \hyperpage{16}
\item \texttt {IsSmooth}, \hyperpage{8}
\item \texttt {IsVeryAmple}, \hyperpage{15}
\indexspace
\item \texttt {LatticePoints}, \hyperpage{16}
\indexspace
\item \texttt {MaximalCones}, \hyperpage{9}
\indexspace
\item \texttt {NormalFan}, \hyperpage{17}
\indexspace
\item \texttt {Polytope}
\subitem for lists of points, \hyperpage{17}
\item \texttt {PolytopeByInequalities}, \hyperpage{17}
\indexspace
\item \texttt {RayGenerators}, \hyperpage{9}
\item \texttt {Rays}, \hyperpage{9}
\item \texttt {RaysInFacets}, \hyperpage{12}
\item \texttt {RaysInMaximalCones}, \hyperpage{9}
\item \texttt {RelativeInteriorLatticePoints}, \hyperpage{17}
\indexspace
\item \texttt {StarFan}
\subitem for a cone, \hyperpage{13}
\subitem for a cone and a fan, \hyperpage{13}
\item \texttt {StarSubdivisionOfIthMaximalCone}, \hyperpage{13}
\indexspace
\item \texttt {Vertices}, \hyperpage{16}
\item \texttt {VerticesInFacets}, \hyperpage{16}
\indexspace
\item \texttt {WeakPointerToExternalObject}, \hyperpage{7}
\end{theindex}