RepeatedNull (Built-in Mathematica Symbol)

p ... or RepeatedNull[p] is a pattern object that represents a sequence of zero or more expressions, each matching p.

RowLines (Built-in Mathematica Symbol)

RowLines is an option for the low-level function GridBox that specifies whether lines should be drawn between adjacent rows.

RowsEqual (Built-in Mathematica Symbol)

RowsEqual is an option for the low-level function GridBox that specifies whether all rows in the grid should be assigned equal total height.

RowSpacings (Built-in Mathematica Symbol)

RowSpacings is an option for the low-level function GridBox that specifies the spaces in x heights that should be inserted between successive rows.

ShowShortBoxForm (Built-in Mathematica Symbol)

ShowShortBoxForm is an option for cells that specifies whether box expressions, which are used to represent two-dimensional forms in a cell, are displayed in a more compact ...

SpellingDictionaries (Built-in Mathematica Symbol)

SpellingDictionaries -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies settings for spell checking.

SubMinus (Built-in Mathematica Symbol)

SubMinus[expr] displays as expr_-.

SubPlus (Built-in Mathematica Symbol)

SubPlus[expr] displays as expr_+.

$Language (Built-in Mathematica Symbol)

$Language is a list of strings which give the names of languages to use for messages.

$NewSymbol (Built-in Mathematica Symbol)

$NewSymbol is a global variable which, if set, is applied to the name and context of each new symbol that Mathematica creates.