The Wolfram Language has many special features that optimize the entry and editing of both ordinary text and Wolfram Language input in notebooks.

Making Selections

double-click — select a word or function name

triple-click — select a function and its arguments

repeated clicking — continue expanding selection

— expand selection within a cell or beyond

— select a whole notebook

— select all cells in a notebook with the same style ("Section", "Input", etc.)

Code & Syntax

— match brackets

— indent selected lines one level

— outdent selected lines one level

— toggle a comment around the selected code

— toggle iconization of the selected code

Help ▶ Why the Coloring? — find out why input is red or has other syntax coloring

Help & Command Completion

— search for help on the name selected, or to the left

— bring up a new instance of the help viewer

— complete a command name, character name, etc.

Entering Styled Text

— create a new cell of the same style as above

— pick a style for a cell (4 for section heading, 7 for text, etc.)

— enter a style to use for a cell

, — toggle bold, italic

, — make font larger, smaller

Entering Special Characters »

name — enter hundreds of special characters by short names

Math & Tabular Input »

^ (  or  )  ▪  _ ()  ▪  ()  ▪  ...

— move out of a script position

, — create a 2D grid

, — start, end an inline math cell in text, or text in math

Typing Shortcuts

— delete next character

, — extend selection back or forward

, — skip back or forward a word

, — extend selection back, forward a word

Cell Operations

, — move down or up inside or outside of cells

, — merge or divide cells

— toggle to unformatted expression form of a cell

— change cell style (4 for section heading, 7 for text, 9 for input, etc.)