DeleteEdge[g, e] gives graph g minus e. If g is undirected, then e is treated as an undirected edge; otherwise it is treated as a directed edge. If there are multiple edges ...

Mathematica not only fits into standard accessibility frameworks, but also provides its own highly flexible interface accessibility options.

CreateDirectory["dir"] creates a directory with name dir. CreateDirectory[] creates a directory in the default area for temporary directories on your computer system.

FileExistsQ["name"] gives True if the file with the specified name exists, and gives False otherwise.

NotebookFileName[] gives the file name of the current evaluation notebook. NotebookFileName[nb] gives the file name for the notebook specified by nb.

$BatchOutput is True if output in the current session is being sent in batch mode, suitable for reading by other programs.

One of the most important features of Mathematica is that it is an extensible system. There is a certain amount of mathematical and other functionality that is built into ...

Mathematica has many special features that optimize the entry and editing of both ordinary text and Mathematica input in notebooks.

Cell[contents] is the low-level representation of a cell inside a Mathematica notebook. Cell[contents, " style"] represents a cell in the specified style.

Unicode: 0026. Raw operator. Equivalent to the ordinary ASCII character with code 38.