Display of math

I didn't realise there was a recommended style to math, I've just been going with what looks best. I think the changes you made look good here, and thanks for the heads up!

) Well I don't think we really have a recommendation ourselves, what the wiki community does seems pretty good and I agree with you that what should drive us is what looks best while promoting some kind of cohesion throughout the wiki. We'll see where this goes as more contributors participate.