Re: inequalities
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Harry Elam wrote:
>
> > Daniel Cates <bma@fast.net> writes:
> > Can the TI-85 do the same "shading" that the 83 can do? Why would TI
> > leave out the ability to graph linear inequalities? Anyone know?
> >
> >
> > Mark A. Roaquin wrote:
> > >
> > > Try the TI-83, which can graph in different shading styles. You don't
enter
> > > the specific less than/greater than values, but you can shade over and
> > > under a graph.
> > >
> > > Daniel Cates <bma@fast.net> wrote in article <325365F2.E15@fast.net>...
> > > > The Casio graphing calculators can be set to graph equations in
> > > > inequality mode. For example, instead of graphing something like:
> > > > y=3x+6, the Casios can graph y<3x+6 and shade the appropriate area(s).
> > > > So far, I haven't been able to find a similar function on the TI-85.
> > > >
> > > > Is there such a way to do this and if so, how?
> > > >
> > > > Thanks!
> >
> >
> >>>>
> I'm sure that if the TI-85 came out today, it would have all the graphing
features
> of the TI-83. However, the TI-85 was actually released back in 1992, while
the
> TI-83 didn't ship until the second quarter of 1996. The TI-85 is still a more
> powerful calculator than the TI-83 in a number of ways, but a lot of new
> features and a considerably simplified interface were introduced over a four
year
> period, including the TI-83's statistical and financial capabilities. The
model
> number represents the relative power, not the release date. The TI-83 was in
> fact released quite some time after the TI-92.
>
> Harry
I think it's time for a TI-88 with shading and some of the things the
TI-83 has.
Patrick
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