Re: TI-89 and AP Test


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Re: TI-89 and AP Test



Well...the doesn't the test have more difficult problems which the calc
can't do?
Also, you can only use the calc on the essay part where you need to show
your
work-which teh 89 can't do.

Peter Ammon wrote:

> The College Board allows the new TI-89 on the AP Calculus AB and BC
> tests.  The TI-89 can do definite integrals symbolically; in other
> words, if you ask it for the integral of 1/Sqrt(1-x^2) from 0 to 1 it
> will tell you Pi/2 instead of 1.5708...
>
> It was not infallible; for example, it failed to solve the integral from
> 0 to infinity of e^-(x^2)  (Sqrt(pi)/2, if you don't remember), but it
> was still damn powerful.  Now, who's going to bother learning how to
> integrate if the calculator will do it for them on the AP test?  I say,
> either ban the TI-89 from the AP or lengthen the calculator-less section
> of the test.
>
> Comments?
>
> -Peter


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