Options associated with the interactive entering of expressions. The option SingleLetterItalics is typically set whenever a cell uses TraditionalForm. Here is an expression ...

Converting from strings or boxes to expressions. This takes a string and interprets it as an expression. Here is the box structure corresponding to the textual form of an ...

Typical stylesheets make Mathematica automatically organize notebook cells into convenient groups. You can override this behavior, or control it in any way, using menu items, ...

 

NEXUS phylogenetic file format. Commonly used for storage and exchange of phylogenetic data. Can store DNA and protein sequences, taxa distances, alignment scores, and ...

"CellSplit" is a front end token that splits a cell into two or three cells.

Bitmap converts the selected cells to a platform-independent bitmap format.

Copy As opens a submenu to copy a selection and convert it to the specified format.

Demonstration creates a new Demonstration notebook.

Package creates a new package (.m) window.