Insert > Horizontal Lines (Mathematica Menu Item)

Horizontal Lines opens a submenu to insert a line of the specified thickness above or below the selected cell.

AnimationDirection (Built-in Mathematica Symbol)

AnimationDirection is an option which specifies the direction to run an animation.

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.

SetDirectory (Built-in Mathematica Symbol)

SetDirectory["dir"] sets the current working directory to dir. SetDirectory[] sets the current working directory to your "home" directory.

ShowGroupOpener (Built-in Mathematica Symbol)

ShowGroupOpener is an option for cells that specifies whether an opener icon is displayed next to the leading cell in a cell group to indicate whether the cell group is open ...

TotalWidth (Built-in Mathematica Symbol)

TotalWidth is an option which can be set for output streams to specify the maximum total number of characters of text that should be printed for each output expression. Short ...

Underoverscript (Built-in Mathematica Symbol)

Underoverscript[x, y, z] is an object that formats as x_y^z.

Patterns Involving Alternatives (Mathematica Tutorial)

Specifying patterns that involve alternatives. This defines h to give p when its argument is either a or b. The first two cases give p.

SQLColumnPrivileges (DatabaseLink Symbol)

SQLColumnPrivileges[conn] returns a table of access rights about the columns in an SQL connection.

SQLTableExportedKeys (DatabaseLink Symbol)

SQLTableExportedKeys[conn] returns a table of foreign key descriptions that reference the table's primary key.