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Re: Please remind me why -3^2 = -9
Posted:
Nov 18, 2012 7:22 PM
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On Nov 18, 2012, at 9:54 AM, Phil Mahler wrote:
> so many students get it wrong, even after a reasonable amount of
> stress on it,
I would say that this is because this linguistic matter comes out of
the clear blue sky. When the way to "code" matters is a constant
preoccupation, then the students have no particular difficulty
adopting this or that code and are even willing to change.
Regards
--schremmer
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