I teach Calculus at the high school level, and I have a love-hate relationship with them.

First off, their resolution is crap. I much prefer using a basic math graphing program.

On the other hand, they are convenient to bring into the classroom and distribute. I much prefer to not use them personally and show the students pen and paper type problems.

Calculus in highshool is about behaviour of functions. To me it's more important to undersand why the maximum occurs where the slope is zero than to use a calculator to find it

Pete

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PJE

There's so much I don't know about astrophysics. I wish I had read that book by that wheelchair guy.