Enabled (Built-in Mathematica Symbol)

Enabled is an option for objects such as Slider that specifies whether the objects should be enabled for interactive manipulation.

InterpretationBox (Built-in Mathematica Symbol)

InterpretationBox[boxes, expr] is a low-level box construct that displays as boxes but is interpreted on input as expr.

Missing (Built-in Mathematica Symbol)

Missing[] represents data that is missing.Missing["reason"] specifies a reason for the data being missing.Missing["reason", expr] associates the expression expr with the ...

NotebookDirectory (Built-in Mathematica Symbol)

NotebookDirectory[] gives the directory of the current evaluation notebook. NotebookDirectory[nb] gives the directory for the notebook specified by nb.

Notebook (Built-in Mathematica Symbol)

Notebook[{cell_1, cell_2, ...}] is the low-level construct that represents a notebook manipulated by the Mathematica front end.

NumberForm (Built-in Mathematica Symbol)

NumberForm[expr, n] prints with approximate real numbers in expr given to n-digit precision.

On (Built-in Mathematica Symbol)

On[symbol::tag] switches on a message, so that it can be printed. On["name"] switches on a named group of messages.On[s] switches on tracing for the symbol s. On[m_1, m_2, ...

ParallelNeeds (Built-in Mathematica Symbol)

ParallelNeeds["context"] evaluates Needs["context"] on all available parallel kernels.

Rationals (Built-in Mathematica Symbol)

Rationals represents the domain of rational numbers, as in x \[Element] Rationals.

SetSelectedNotebook (Built-in Mathematica Symbol)

SetSelectedNotebook[notebook] makes the specified notebook be the currently selected one in the front end.