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RE: my take on "sophisticated calculators"



I would not use Hughes-Hallett as a model for teaching, nor am I prepared
to bow down to their "rule of three". I turned off on that book when I opened
it and found that it started with exercises on the definitions of "range" and
"domain". H-H was one of the reasons that I started writing a calculus text.
The goal, as I see it, of calculus and calculus-based physics is to get
students to think symbolically. If the graphing calculator helps to do this, fine.
Regards,
Jack

"'Is it claimed that Dr. Cook's achievement is a Fact, or is it a
miracle?'
'Why so?'
'Because if it is a Miracle, any sort of evidence will answer, but
if it is a Fact, proof is necessary'"
Mark Twain, "Official Report to the I.I.A.S. (1909)