Anything to pretend to need computers even if it means making easy stuff harder. They are good (or can be) for improving necessary "drill and kill" (better read, "drill for skill") but not much else.
At 03:35 AM 12/21/2012, Richard Strausz wrote: >I still haven't seen the app live, but this short video (with a link >to a review) helped me appreciate what is going on. I like the idea >that notation is heading toward algebra over time. > >http://www.youtube.com/watch?v=n6Np4Eb0Ff0 > >Richard