I ended up with a TI-86 as the cheaper ones were sold out at the time of the school supply rush. It's the only reason I passed my math classes in high school.

I ended up with a TI-86 as the cheaper ones were sold out at the time of the school supply rush. It's the only reason I passed my math classes in high school. Luckily I kept my mouth shut so the teachers didn't know. Eventually they implemented a factory reset procedure on test day. You would bring up the reset menu and the teacher would walk around and initiate it and confirm it.