zlacker

>>lewisf+(OP)
Standardization is inevitable. Teachers cannot and will not use calculators unless the module they are using (in the textbook or purchased separately) contains button by button instructions that work on the exact model of calculator used in their classroom. Something needs to be done to break the TI monopoly, though. There's no reason to pay that much for such primitive functionality, and the need for dedicated devices that can't be used to cheat won't go away.

>>dkarl+kW
Why "cannot"?

I am not so completely old and my textbooks didn't take any particular model of calculator into account. Especially all the university math classes where it started to matter.

>>maxeri+eX
Speaking of my high school teachers, some of them could, but enough of them needed to be walked through it themselves. We only used calculators with specially designed lesson plans. Most of the time they sat in plastic bins on the shelf. (I guess we were lucky that the school got grants to buy them.)

It's possible that it's different now. When I was in high school, using graphing calculators was a new trend, and a lot of the teachers resented having to teach something they didn't learn in school.