Captain Holt: Wait. Why is he writing the solution to my formula for no reason? And why is he drawing colorful underpants beneath it?
Charles: Oh, I see what's happening. He's drawing Boy Riga, loyal sidekick to his favorite cool superhero, Captain Latvia.
Nikolaj: That's his symbol. He distributes grain evenly among the working class.
Captain Holt: Uh-huh. I see. So this was all just some coincidence. He wasn't writing absolute value of psi. He was just doodling.