I actually have very few icons right now. I spend too much time reading and writing fics and always forget to save the ones that I like. I have a couple though...will have to build up my collection soon.

There are so many other practical uses of Who!math. I'll show you.

I see that! Stupid school system not teaching us what we really need to know.
But what about Ten? My particular favorite is:

Aggressive!Ten + Rose x anywhere = me in a puddle of goo on the floor.