Found a similar calculator in Spanish class last hour. Entered a similar message for a laugh. "Hello, my name is Tom Riddle. I see that you have found my calculator, muggle. This will be harder to stab.
I'm a Pureblood. (And proud of it!) My mom's a Squib. My dad's a Squib. My little sisters a Muggle-Born. My older brother is a Dursley. Most of my friends are Dursley. That is why i am such a Deatheater when i talk to them. I am weird.