nDer, der1 on ti85

To: CALC-TI@LISTS.PPP.TI.COM
Subject: nDer, der1 on ti85
From: Garvin Cung <garvinc@INAME.COM>
Date: Fri, 22 May 1998 16:34:24 -0400
Reply-To: Garvin Cung <garvinc@INAME.COM>

what the difference between 'nDer' and 'der1' on the ti85 calculator?

and on this example why does it do this?

nDer(x^4-4x^3+16x,x,2)
i get the answer of 4e-6

der1(x^4-4x^3+16x,x,2)
i get the answer of 0

the answer is supposed to be zero. why is the nDer one not exaclty 0, like
der1, the way iy should be?

--garvin
_______________________________________________________
Garvin Cung
Email: garvinc@iname.com
WWW: http://www.geocities.com/ResearchTriangle/lab/2240

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