Calvin and Hobbes by Bill Watterson for October 27, 1987
Calvin: Hey, Dad your latest poll just came in. Let's see what it says. Dad: Be still, my heart. calvin: Well, I'll be! Your popularity is improving! You went up 30 points! Dad: Really? Dad: Heck, no wonder! I'm readint the graph upside down. What a klutz I am. ...Hope you're all packed, Dad. Dad: Don't you have some homework to do?