I picked up the relatively new HP Prime in the last 6 months and the ability to do 3D graphics with a touchscreen is amazing and really gives a great appreciati

I picked up the relatively new HP Prime in the last 6 months and the ability to do 3D graphics with a touchscreen is amazing and really gives a great appreciative for the underlying functions you are plotting. Would have loved to have something like this in my advanced math classes. So much better than the pretty terrible TI series by comparison.