Cressmom, thank for the correction. I had thought it was universal at Wash U. That does help a lot if you are going for a high GPA. If your average is a high B or lower, then either system works out about the same, but if you are trying to stay in the upper 3s, the +/- system makes it tough.
http://engineering.wustl.edu/Resourc...istrar/GPA.asp