ReverseEdges[g] flips the directions of all edges in a directed graph.

SmallestCyclicGroupGraph returns a smallest nontrivial graph whose automorphism group is cyclic.

TreeQ[g] yields True if graph g is a tree.

Uniquely3ColorableGraph returns a 12-vertex, triangle-free graph with chromatic number 3 that is uniquely 3-colorable.

VertexCoverQ[g, c] yields True if the vertices in list c define a vertex cover of graph g.

ShadowBackground is an option for ShadowBox or Legend, which specifies the style for a drop shadow.

The complete collection of Greek letters in Mathematica. You can use Greek letters as the names of symbols. The only Greek letter with a built-in meaning in StandardForm is ...

PolyhedronData[poly, " property"] gives the value of the specified property for the polyhedron named poly.PolyhedronData[poly] gives an image of the polyhedron named ...

Fundamental to Mathematica's dynamic interactivity capabilities is a new form of symbolic dynamic language. With a very small number of highly powerful primitives that mix ...

GraphDifference[g, h] constructs the graph resulting from subtracting the edges of graph h from the edges of graph g.