zlacker

>>lewisf+(OP)
You don't need a graphic calculator for high school. Hundreds of millions of kids in China and India graduate without one and do just fine. Differential calculus is now 400+ years old and generations of humans have done fine without a graphing calculator.

>>shriph+jQ
It really does help though. As an understandability tool it is invaluable and can enable students to explore and gain intuitive understanding of concepts much faster.