Contents

PRODUCTS

Products Overview
Mathematica
Mathematica Student Edition
Mathematica Home Edition
Wolfram CDF Player (free download)
Computable Document Format (CDF)
webMathematica
gridMathematica
Wolfram Workbench
Wolfram SystemModeler
Wolfram Finance Platform
Mathematica Add-Ons
Wolfram|Alpha Products

Solutions Overview

Engineering

Aerospace Engineering & Defense
Chemical Engineering
Control Systems
Electrical Engineering
Image Processing
Industrial Engineering
Materials Science
Mechanical Engineering
Operations Research
Optics
Petroleum Engineering

Biotechnology & Medicine

Bioinformatics
Medical Imaging

Finance, Statistics & Business Analysis

Actuarial Sciences
Data Analysis & Mining
Econometrics
Economics
Financial Engineering & Mathematics
Financial Risk Management
Statistics

Software Engineering & Content Delivery

Authoring & Publishing
Interface Development
Software Engineering
Web Development

Science

Astronomy
Biological Sciences
Chemistry
Environmental Sciences
Geosciences
Social & Behavioral Sciences

Design, Arts & Entertainment

Game Design, Special Effects & Generative Art

Education

STEM Education Initiative
Higher Education
Community & Technical College Education
Primary & Secondary Education
Students

Technology

Computable Document Format (CDF)
High-Performance & Parallel Computing (HPC)
See Also: Technology Guide

PURCHASE

Online Store
Other Ways to Buy
Volume & Site Licensing
Contact Sales
Software
Service
Upgrades
Training
Books
Merchandise

SUPPORT

Support Overview
Mathematica Documentation
Knowledge Base
Learning Center
Technical Services
Community & Forums
Training
Does My Site Have a License?
Wolfram User Portal

COMPANY

About Wolfram Research
News
Events
Wolfram Blog
Partnerships
Employment Opportunities
History of Mathematica
Stephen Wolfram's Home Page
Contact Us

All Sites
Wolfram|Alpha
Demonstrations Project
MathWorld
Integrator
Wolfram Functions Site
Mathematica Journal
Wolfram Media
WolframTones
Wolfram Science
Stephen Wolfram

Mathematica 9 is now available

The Mathematica Book

Mathematica Reference Guide

Patterns and Transformation Rules

Patterns and Transformation Rules

A.5.1 Patterns

A.5.2 Assignments

A.5.3 Types of Values

A.5.4 Clearing and Removing Objects

A.5.5 Transformation Rules

THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.

© 2013 About Wolfram