I have been using Frink for over 10 years, and Alan Eliasen's comments in this file are very informative. I have suggested Frink to all of my engineering colleagues, and it helps catch a lot of unit errors in calculations, as well as just being fun and handy. I leave it open on my desktop all day until next reboot. It's also fun to develop small programs for repetitive tasks.
Somewhat cool. Maybe the poster should state what is cool about this over the file it's based on? This file is based on the gnu units program.