Re: Ti-86, ROM 1.3: BUG with function of function!?

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Ti-86, ROM 1.3: BUG with function of function!?
From: Ray Kremer <raykremer@HOTMAIL.COM>
Date: Thu, 30 Dec 1999 00:56:06 -0500
Reply-To: Ray Kremer <raykremer@HOTMAIL.COM>

Yes, that is wierd.  It happens on my 1.3 86 as well.  It works correctly if
you do this instead:
 y2=y1/x

>I think I've found a bug whith the TI-86, ROM version 1.3. This was what I
>did when I found it (or see the PS):
>First I entered these two functions (sqrt=square root):
>   y1=sqrt(1-x^2)/x
>   y2=y1(x)/x
>And then I graphed y2 -- ok so far. But if I try to trace, or do anything
>under the MATH-menu it gets weird.
>If I trace it shows:
>   x=0            y=
>-- just as it should do, but when i move the cursor it doesn't follow the
>graph.

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