Forms of Input and Output

How Input and Output Work

The Representation of Textual Forms

The Interpretation of Textual Forms

Short and Shallow Output

String-Oriented Output Formats

Output Formats for Numbers

Styles and Fonts in Output

Representing Textual Forms by Boxes

Converting between Strings, Boxes and Expressions

The Syntax of the Mathematica Language

Operators without Built-in Meanings

Defining Output Formats

Low-Level Input and Output Rules

Generating Unstructured Output

Requesting Input

Messages

International Messages

Documentation Constructs