Re: TI92Plus questions


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Re: TI92Plus questions



>When I'm graphing a function, sometimes it does not appear in the
>initial window.  Is there a way to immediately change to the
>coordinates where the function is or where it crosses the axes.  I
>heard someone saying about normalize.  How can  I  see the graph?  Is
>there one click or button to quickly see the function?

I think that's ZoomFit in the Zoom menu.

>Also, how do I graph something like x^2+y^2=7y + 3     I know how to
>graph regular functions of y, but this type of graphing is not obvious
>in the manual.

Read this:
http://tifaq.calc.org/p2.htm#11.2.4

>I'm looking for a way or an addon program that I can solve trig equations
>like 5x+cos(x)=0 for the exact values of pi across an interval of like 0 to
>2pi.  I want the answers in terms of pi without decimal approximations.  My
>calculator now just gives one answer in approximated decimal form and does
>not give me the next answer in the periodicity.  Is there a way to do this?

solve(5x+cos(x)=0,x)|x>0 and x<2pi
should do it.

>I have found ticalc.org, but is there any other site that may have
>additional or better engineering programs for this calculator?  Free
>or $ is both appreciated.

Read these:
http://tifaq.calc.org/#1.2
http://tifaq.calc.org/#1.2.1

>I've managed to figure out how to add programs with my graph link.
>How can I actually see the directory of what I've added so far in the
>calculator?  How do I delete them or at least be able to find out how
>much space is left to use.

The Var-Link screen.  C'mon, that's in the manual.

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