Square eyes
The mathematician says "2" The Physicist says "2, plus or minus 0.1" The engineer says "Probably around 2, but let's say 3 to be on the safe side".
Math Salts.
He stares at shoes while he talks to you.
He's staring at somebody else's shoes.
I am Root.
They both like to root around in your cellar
He was nonplussed.