Wow. All I can say is thanks. This really helped me in my calculus classes, especially the more advanced topics, like parametric equations. It even works well across most devices too.
What are you guys planning on doing next?
What are you guys planning on doing next?
One of the big things that we've been working on is building interactive lessons that a whole classroom can do together:
Some of these use the calculator as a tool, and they all generally keep with the spirit of trying to make it cheap to try out an idea and see what it implies.