I have posted this program before, but it didn't work due to the way I uploaded it. Since then, I have updated the program to allow saving and I uploaded it correctly this time. Enjoy and let me know if any bugs are encountered or if I used incorrect information for anything.
http://rapidshare.com/files/27687280/EV_tracker.rar
http://rapidshare.com/files/27687280/EV_tracker.rar