If you are in the market for statistical power analysis and sample size software, then you have come to the right place! No other power analysis program does more than PASS 2008. You'll find that PASS is

• EASY TO USE

• ACCURATE

• AFFORDABLE

• COMPREHENSIVE

• VALIDATED

• FULLY DOCUMENTED

For more information visit the PASS Home Page.

During the trial period, you will have access to all PASS procedures and graphics.
After the trial, you can easily uninstall PASS using the control panel on your computer.