Gross is a unit multiplier.

Percent is a unit multiplier.

Mathematica allows any front end command to be executed programmatically from within the kernel by sending an appropriate front end token. There are tokens for all standard ...

Introduced soon after ordinary hypergeometric functions, the q functions have long been studied as theoretical generalizations of hypergeometric and other functions. ...

Group Cells/Group Together makes a group out of the selected sequence of cells.

Print prints the active notebook.

Attributes[symbol] gives the list of attributes for a symbol.

Catch[expr] returns the argument of the first Throw generated in the evaluation of expr. Catch[expr, form] returns value from the first Throw[value, tag] for which form ...

CellChangeTimes is an option to Cell that specifies when changes were made to the cell.

CellLabelPositioning is an option for cells that specifies where the label for a cell is positioned.