NotebookDelete[notebook] deletes the current selection in the notebook corresponding to the specified notebook object. NotebookDelete[] deletes the current selection in the ...
NumericQ[expr] gives True if expr is a numeric quantity, and False otherwise.
PrecedenceForm[expr, prec] prints with expr parenthesized as it would be if it contained an operator with precedence prec.
RenameDirectory["dir_1", "dir_2"] renames the directory dir_1 to dir_2.
RiccatiSolve[{a, b}, {q, r}] gives the matrix x that is the stabilizing solution of the continuous algebraic Riccati equation ConjugateTranspose[a].x + x.a - ...
RowsEqual is an option for the low-level function GridBox that specifies whether all rows in the grid should be assigned equal total height.
RuntimeOptions is an option for Compile that specifies runtime settings for the compiled function it creates.
ScheduledTaskObject[id, expr, spec, ...] is a task object specifying future evaluation of expr according to spec.
ScriptSizeMultipliers is an option for Style that specifies how much smaller to render each successive level of subscripts, etc.
Selectable is an option for displayed objects, cells, and notebooks that specifies whether their contents can be selected interactively using the front end.