Re: Why does the TI-85 do...

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Why does the TI-85 do...
From: Ray Kremer <rkremer@BRADLEY.EDU>
Date: Fri, 24 Apr 1998 13:14:00 -0400
Reply-To: Ray Kremer <rkremer@BRADLEY.EDU>

I tried this on a TI-92, and also got zero for values of t not near 0.
The 92 also spewed several "overflow replaced by infinity" and "questionable
accuracy" errors in doing this.  Have you looked at the graph of
y=e^(-.5x^2) ?   It looks pretty damn close to zero to me.

>Hi everybody, does some of you know how to integrate
>e^-(0.5x^2) from -infinity to t by hand or by calculator?
>When I type in fnInt(e^(-0.5x^2),x,-e99,t) I get 0 for every value of t.
>Why?

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