Saturday Morning Breakfast Cereal.
I thank my son Luke for bringing it to my attention.
This does raise an important issue. To what extent should students be encouraged or allowed to use Mathematica and Matlab?
It seems to me there needs to be a balance: between learning to use a powerful tool an understanding how it works.
For example, I think it is very important that students learn to sketch graphs of simple functions. This provides intuitive understanding and a way of checking that the computer is giving a reasonable answer.
Perhaps it is no different from pocket calculators.
Here is Ben Powell's comment on this post. It took me a while to get it!