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How is it not working? Does it not turn on? Do some or all keys not work? Do some calculations give the wrong answers?
Help us help you. We can't do it if you can't tell us what's wrong.How is it not working? Does it not turn on? Do some or all keys not work? Do some calculations give the wrong answers?
Help us help you. We can't do it if you can't tell us what's wrong.
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Depending on the function you are drawing, it is possible that the graph is out of range of the windows dimensions. Try Zooming out to see a bigger portion of the plane. If you know where the function intercepts one of the axes, you might want to center the graph around that point.
After you press enter to graph the function you will not see anything because the y-intercept is at ordinate 254.47. To see anything you need to zoom out.
You will be prompted for the Center of new graph. Move cursor along the y-axis, upward. After a while you will see the graph.
You can also, and it is quicker, to set the graph window
Define z=x+iy Substitute in the equation [x+iy -1-i|=5 |(x-1)+(y-1)i|=5 SQRT ((x-1)^2+(y-1)^2)=5 Raise to the second power (square) (x-1)^2+(y-1)^2=25 This is the equation of a circle of center (1,1) and radius 5
To graph it isolate y as +/- SQRT (25-(x-1)^2) or use the CONICS application, which you can download from education.ti.com You can also use the Cabri Jr Geometry application or the Draw menu then the circle(.
I have the original TI-85 Graphics Calculator Guidebook (quite thick), but I no longer own the calculator. You are welcome to have it, since I was just about to throw it away. If you want it, please e-mail me at: [email protected] within the next week, as I'd like to get it off my desk. Thanks! -- Sandy
How is it not working? Does it not turn on? Do some or all keys not work? Do some calculations give the wrong answers?
Help us help you. We can't do it if you can't tell us what's wrong.
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