Re: A89: AP Calculus
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Re: A89: AP Calculus
Who is "he"?
Bryan
----- Original Message -----
From: Olle Hedman <oh@hem.passagen.se>
To: <assembly-89@lists.ticalc.org>
Sent: Thursday, August 26, 1999 3:12 AM
Subject: Re: A89: AP Calculus
>
> I think the 89 fails slightly in its algebraic generaly..
> take this simple one:
>
> ((x-x^3)/(x^3+x^2))/((x^2-2x+1)/(x^2-2x)) (example from a book I have)
>
> the 89 solves it very correctly to: -(x-2)/(x-1)
>
> but a much nicer way to write this is: (x-2)/(1-x)
> and what is much more important,
> he forgets to tell me that x can't be -1, 0 or 2.
>
> file://Olle
>
>
>
> Zoltan Kocsi wrote:
> >
> > > > sin^2(x)
> > >
> > > Um, try (sin(x))^2.
> >
> > Well, thanks :-)
> > I know how to enter it to the calculator - I wasn't mentioning
> > syntax errors, was I ? I wrote sin^2(x) because that's how a textbook
> > would write it (at least the ones I read :-):
> >
> > 2
> > sin x
> >
> > and I was talking about a trivial algebraic transformation, not actual
> > numeric calculation.
> >
> > Regards,
> >
> > Zoltan
>
>
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