Re: der3??

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: der3??
From: Tim Brierley <brierley@erols.com>
Date: Fri, 31 Oct 1997 23:18:53 -0500
Organization: Erol's Internet Services
References: <19971030.175235.3526.1.jmansuri@juno.com>
Reply-To: brierley@erols.com
Xref: paladin.american.edu bit.listserv.calc-ti:18380

the deriverative of a function is f'(x)
the second deriverative is the deriverative, or f''(x)
the thrid deriverative is the deriverative of the deriverative, or
f'''(x)

so, to get third order deriverative, do:  der(der(der(x)))   or...
der2(der(x))  or...   der(der2(x))  etc.
to get fourth, do der2(der2(x)) or der(der(der(der(x)))), well you get
the idea.

Junaid Mansuri wrote:

> I know that the Ti-85 calculator does der1( ) and der2( )
> but does anyone know how to take the third derivative of a function at
> x.
> (I only need a numerical answer)
>
> Thanks a lot,
> Junaid Mansuri
> jmansuri@juno.com

References:

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