...not just on the CAS version, but on the numerical version too.
...it's not disabled in test mode.
...it works well. (The TI-84 has an i button, but in my experience it's unreliable.)
First, I thought, "the children must never know about this!"
|If there is a button I will find the button.|
|There it is.|
Here are some things it can do:
So after I threw out every assessment I used to use for this unit, I settled into the place of "What the *&^% do I do now?"
But it's good. Good! Good, I say.
It made me give some super-serious thought to what the complex number system is good for.
It's good for solving equations that don't have real solutions. Hello there, quadratics! We meet again. A little earlier this year.
It stops the Fundamental Theorem of Algebra from breaking.
It's full of numbers that represent two dimensions.
I can work with that.