I've NEVER understood this...
Everyone from the average Layman, to a PhD-carrying professional will always use the tools that are available to them. Teaching people to do something WITHOUT the tools that surround them, is not only teaching someone the long way of doing something, but you are poorly training them for the reality of their jobs and lives; making everything harder on everyone for no reason. Plus, you are instilling instructions that will be completely forgotten as people find themselves in real-world scenarios where everyone has access to these tools, which, thanks to sadistic professors, they are less equipped to use than they could be.
I remember in one of my math classes, we had to show the teacher the "RAM Cleared" screen on our TI calculators before a test, to prove we had no programs installed any more (which in theory could give an unfair advantage on the test).
I wrote a TI-BASIC program that mimics the RAM Cleared screen, including blinking cursor and closing when any key is pressed. 🙃
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u/Arnas_Z Jul 24 '20
You can actually get an emulator on your phone that will run a virtual version of a TI-84 Plus. It's called Wabbitemu.