All Casio calculators have a secret game

Or so I thought when I first read the title on a YouTube video. Secret Game on Casio Calculators, “Hmmm, interesting,” I said to myself a few weeks ago. When I viewed the video, here’s what I got:

At first I was furious, since I had been looking for one particular game that I used to play on a Casio calculator. Now, I find it really hilarious, especially when I think about the lengths to which some people would actually go to get a few kicks.