This is a fully functional trial version of Powerstaxx, an Excel-based tolerance analysis tool.
After activating the trial, it is functional for 30 days. After 30 days, either purchase it or use the limited capabilities on the Powerstaxx Lite tab.
The normal purchase price is $75 per user. Volume discounts available.
Important - Before downloading, know that this is an Excel spreadsheet with macros. Some systems may block it.