Re: cubed root function - ti-89
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Re: cubed root function - ti-89
Alvin Wilson <aw1127@HOTMAIL.COM> writes:
> can someone tell me how to get the cubed root function on the ti-89?
Either enter x^3^-1 directly or define a little function with a command
such as
define cr(u)=u^3^-1 (or you could use x here, too)
Be sure you use the _negation_ (-) key and not the _subtract_ key in both
cases. Once you have defined a function you can enter things like 1+cr(8)
or Graph cr(x), but the function only exists inside your current folder.
Tradeoffs, tradeoffs...
RWW Taylor
National Technical Institute for the Deaf
Rochester Institute of Technology
Rochester NY 14623
>>>> The plural of mongoose begins with p. <<<<
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