"College Board of the United States – permits the use of most graphing or CAS calculators that do not have a QWERTY-style keyboard for parts of its AP and SAT exams"

I love, LOVE that the keyboard layout is one of the things that can disqualify a graphing calculator for use in exams 

 going back to college just so I can pull out my Crayola Alphabetical Horror. Hey, it's allowed on exams!

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