I am working with a group of A level students who have received an HP39GS graphing calculator. They got the calculators a couple of weeks ago, so hopefully they will at least have opened the package and turned the thing on. I will have about 3 or 4 hours with each of two groups tomorrow to give them ideas of things they can do with the machine. Clearly we live in a gadgety time. A lot of people will get a new phone every year or so, which is basically a computer, running a range of software packages, notably communication systems, but also, pretty much anything you care to mention. Continue reading HP Graphing Calculators at A-Level →