UnderBar (Built-in Mathematica Symbol)

UnderBar[expr] displays with a bar under expr.

Put Data in a Grid with the Front End (Mathematica How To)

While you can programmatically create two-dimensional layouts, the Mathematica front end provides convenient tools for creating and editing two-dimensional grids of data, in ...

SQLColumnNames (DatabaseLink Symbol)

SQLColumnNames[conn] returns a list of {table, name} pairs for each column in an SQL connection.

Insert > Table/Matrix > New... (Mathematica Menu Item)

New opens a dialog for generating a table or matrix.

OverBar (Built-in Mathematica Symbol)

OverBar[expr] displays with a bar over expr.

String-Oriented Output Formats (Mathematica Tutorial)

Text strings. The quotes are not included in standard Mathematica output form. In input form, the quotes are included.

Insert > Table/Matrix (Mathematica Menu Item)

Table/Matrix menu commands for creating and editing tables and matrices.

Underoverscript (Built-in Mathematica Symbol)

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

Newlines and Tabs in Strings (Mathematica Tutorial)

Explicit representations of newlines and tabs in strings. This prints on two lines. In InputForm there is an explicit ∖n to represent the newline.

Replace or Remove Invalid or Missing ... (Mathematica How To)

In data analysis, it is often necessary to clean a dataset before analyzing it. Data points with missing entries or that contain invalid values must be removed or replaced by ...