Radical
(Mathematica Front End Token) "Radical" is a front end token that creates a SqrtBox and fills the base with a selection.
Cell Properties opens a submenu to select and toggle cell properties.
Page Break inserts a page break at the horizontal I-beam.
ChessboardDistance[u, v] gives the chessboard, Chebyshev, or sup norm distance between vectors u and v.
DefaultElement is an option for Grid and related constructs which specifies what to insert when a new element is interactively created.
DefaultFontProperties is a global option that specifies various properties of a font family, such as its character encoding and whether it is monospaced.
EndOfLine represents the end of a line in a string for purposes of matching in StringExpression.
LegendAppearance is an option for charting functions that specifies the appearance of any legends that are generated.
NormalizedSquaredEuclideanDistance[u, v] gives the normalized squared Euclidean distance between vectors u and v.