[TI-M] Re: questions
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[TI-M] Re: questions
At 2/23/2001 03:20 PM, you wrote:
>I'm using a TI-92 Plus.
>
>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?
>
>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 obvious61-4x^2
>in the manual.
Use the solve command:
Solve(x^2+y^2=7y + 3,y) will give you
y= (sqroot(61-4x^2)+7)/2 or -(sqroot(61-4x^2)+7)/2
then you graph for both functions
>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?
press mode, f2 and set exact/approx to exact and then it will not display
approx
>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.
calc.org might, and tinews.net might have some stuff on someone's webpage,
but there's not much
>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.
2ed -
>thanks for any help,
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