Mathematica >
MATHEMATICA HOW TO

How to | Work with Rules

Rules are a key part of Mathematica's powerful expression transformation language. These "How tos" give step-by-step instructions for using rules in Mathematica.

Create and Use Rules »
Use Rule Solutions »
Use a Rule with an Expression More Than Once »
Send Feedback
Mathematica 9 is now available!

400+ new features, including the new Wolfram Predictive Interface, social network analysis, enterprise CDF deployment, and more »

Try Now
Buy/Upgrade
New to Mathematica? Find your learning path »
Have a question? Ask support »