What a revolting story

[Penguin]

Originally Posted by DarkFish

In high school we did so as well. But on the uni we only use V.

hmm, I checked out my documents from my physics class at my uni from 2006 and indeed, we use U. The prof who wrote the stuff, teaches also in some other universities, so I assume U is the norm here. V is only used for volume - in mechanics.
Tater is right about E for electric fields btw.