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Wolfram Language Structure

Basic Objects

Expressions

Symbols

Contexts

Atomic Objects

Numbers

Character Strings

Input Syntax

Entering Characters

Types of Input Syntax

Character Strings

Symbol Names and Contexts

Numbers

Bracketed Objects

Operator Input Forms

Special Characters

Precedence and the Ordering of Input Forms

Grouping of Input Forms

Precedence of Integration Operators

Spaces and Multiplication

Spaces to Avoid

Spacing Characters

Relational Operators

File Names

Two‐Dimensional Input Forms

Input of Boxes

Control Keys

Boxes Constructed from Text

String‐Based Input

The Extent of Input Expressions

Special Input

Front End Files

Some General Notations and Conventions

Function Names

Function Arguments

Options

Part Numbering

Sequence Specifications

Level Specifications

Iterators

Scoping Constructs

Ordering of Expressions

Mathematical Functions

Mathematical Constants

Protection

Abbreviated String Patterns

Evaluation

The Standard Evaluation Sequence

Nonstandard Argument Evaluation

Logical Operations

Iteration Functions

Assignments

Overriding Nonstandard Argument Evaluation

Preventing Evaluation

Global Control of Evaluation

Aborts

Patterns and Transformation Rules

Patterns

Assignments

Types of Values

Clearing and Removing Objects

Transformation Rules

Files and Streams

File Names

Streams