Finally. When I was in High School, calculators where not allowed. In HS Chem and Physics we could at least use slide rules. In Math, it was just pencil and paper. Most people need to learn to calculate in order to solve specific problems. Math as its known and taught today isn't the way to teach the general population to do either. I'd suggest that buying HS students a laptop and a copy of Mathematica, and then teaching them to use it, would pay for itself in terms of how swiftly both the general concepts as well as actual calculating ability would be instilled. Many, many more people would be capable of using advanced maths if only they could leverage these rather inexpensive tools. Is it more important to memorize multiplication tables, or to understand intuitively what Div, Grad, and Curl are, and how to use them? Why not let even people with 400 Math SAT scores understand and be able to apply the concepts of Calc and DiffEq (and Probability and Statistics) without having to work so hard at it?