Maths Pun/Fun - it's PUNTASTIC

Take up my challenge. Can you make a more cheesy 'maths pun' than this?

define x=my love,

F( x)=sqrt( |x|), x ɛ (-∞>x>∞)

(The root of the absolute value of my love has no bounds.)

Yes, thats right: I realize this is crap.