Copyright © 2000-2005. JavaScript calculator written by Greg Reimer.
Also of interest to web developers: The Ziggurat, a tool for web accessibility assessment.
Need a break? Let Phi build some spirals for you.
Check out my blog: Musings of a Web Maven.
Read about the Top Five Web Design Myths.
Or read about the Top Five Web Application Myths.
How can I improve this tool? Drop me a line and let me know.