Houston inside 610 and Houston outside 610 are literally 2 different cities. If inside 610 Loop Houston was its own city it would be top 5 coolest cities in the country. It's amazing how often people say that. "I had no idea all this cool stuff was here!"
I have a place across the street from it I rent. When I'm there I'll walk over. Lots of jabronis there. The few times I accidentally left the loop I say the opposite - I had no idea all this **** was everywhere. I get it, you drive a TRUCK with a LIFT, coooooo.
I was so amazed that graphing calculators not only still exist but are still being manufactured, that I started googling. I found this article that explains how Texas Instruments is holding the nation hostage: https://mic.com/articles/125829/you...or-still-costs-a-fortune-heres-why#.e3XJGAxEH.
What did you expect to replace them, Mathematica, Matlab? Do you see teachers and AP testers transitioning away from them?
There's not a single math class that should use a graphing calculator. In high school math there's absolutely no reason for it period. You can and should learn how to do everything by hand at this point. For advanced students, teaching them how to code in high school would go a long way. Although I'm not sure if this is even necessary. In freshmen/sophomore college classes it's either completely unnecessary to use a calculator or they should use some really bottom barrel software like geogebra to get the point across. Everyone in Junior/Senior level math classes and beyond should either know how to code in C, Python, or Fortran and be able to easily translate that knowledge to Matlab or just learn Matlab if they don't care about coding even though they should. For statistics, well, everyone uses R. I've even seen freshmen and sophomore level stats classes stop using dumb software and adopt R as their go to choice. Graphing calculators are pretty much completely unnecessary. Additionally, there's nothing on an AP calculus exam you need a calculator for. I don't see teachers transitioning away from them even though they should.