CellLabelPositioning is an option for cells that specifies where the label for a cell is positioned.
CellTags is an option for Cell that gives a list of tags to associate with a cell.
Copyable is an option for Cell that specifies whether a cell can be copied interactively using the front end.
DefaultNewCellStyle is a notebook option which specifies the default style to use for new cells created in the notebook.
FactorList[poly] gives a list of the factors of a polynomial, together with their exponents.
FindIndependentEdgeSet[g] finds an independent edge set of the graph g with a maximum number of edges.
ImageAssemble[{{image_11, image_12, ...}, {image_21, ...}, ...}] assembles a single image from an array of images.
InitializationGroup is an option for the first cell of a cell group that specifies whether the group should be tagged to be evaluated by the Mathematica kernel when the ...
MatrixForm[list] prints with the elements of list arranged in a regular array.
MessagePacket[symbol, string] is a MathLink packet containing a Mathematica message identifier of the form symbol::string.