I used to rock a calculator watch in Grade 4. It wasn't a dope Casio, but some rip off catalog store version I received as a gift.

Ghetto brand aside, I was the envy of my classmates, as I would spend hours doing cool things like typing: 7734, which upside down would look like the word hell!

The battery gave out after a few months, and I never bothered to replace it. Now it's probably lying sixty feet underground in a landfill, but if you listen carefully, you might still hear it making a little melody.