NotebookClose[notebook] closes the notebook corresponding to the specified notebook object. NotebookClose[] closes the current evaluation notebook.
NotebookDelete[notebook] deletes the current selection in the notebook corresponding to the specified notebook object. NotebookDelete[] deletes the current selection in the ...
NotebookFileName[] gives the file name of the current evaluation notebook. NotebookFileName[nb] gives the file name for the notebook specified by nb.
NRoots
(Built-in Mathematica Symbol) NRoots[lhs == rhs, var] yields a disjunction of equations which represent numerical approximations to the roots of a polynomial equation.
OverBar
(Built-in Mathematica Symbol) OverBar[expr] displays with a bar over expr.
PrecedenceForm[expr, prec] prints with expr parenthesized as it would be if it contained an operator with precedence prec.
ReadProtected is an attribute that prevents values associated with a symbol from being seen.
SaveDefinitions is an option to Manipulate and related functions that specifies whether current definitions relevant for the evaluation of the expression being manipulated ...
SetSharedVariable[s_1, s_2, ...] declares the symbols s_i as shared variables whose values are synchronized among all parallel kernels.
ShowCellLabel is an option for Cell that specifies whether to display the label for a cell.