Contact

Questions, corrections, and suggestions are all welcome. Email us at support@caffeinatedmath.com.

Reporting a mistake

To help us fix an error quickly, please include:

• the link to the page,
• the values you entered, if it is a calculator or an interactive section,
• what you expected to see and what you saw instead.

Teachers and schools

You are welcome to use Caffeinated Math in class and to link to any page. If you would like a topic we do not cover yet, let us know.

Mobile apps

For help with our apps, see the support pages for webRios and U.S. Citizenship Test Prep.