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Re: graph not working
Hello, The window ranges you chose may be wrong. Use ZoomStd ( Zooom standard) or use values that satisfy inequalities Xmin less than Xmax and Ymin less than Ymax. make sure the ranges Xmin, Xmax and Ymin, Ymax cover the area of the graph you are interested in. Hope it helps.
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I do not know of any TI calculator with Model number 53, but I will try to give a general answer. If you get a window range error that means that the Window limits are not set correctly. For example, the lower limit in X, Xmin must be algebraically smaller that the upper limit, Xmax. The default for the TI graphing calculators are Xmin=-10, and Xmax=10. Similarly the Ymin must be smaller than Ymax. The default limits for the y-variable are Ymin=-10, and Ymax=10. If your calculator has a Zoom function ( if it is a graphing calculator, it must have it) then Press Zoom key and select Zoom Standard or ZoomStd.
There is no one good window range for all graphs, since graphs can have different areas of interest.
Press the ZOOM key, then select ZStandard. This will restore the window settings to the default range, which will at least allow the graph to be displayed. You can then change the window range and/or zoom as desired.
If this doesn't do it, please reply to this post, giving the function(s) you're trying to graph and your current window settings.
Start by pressing ZOOM (the center function key on the very top row of the keyboard, just below the display) and select 6:ZStandard. This will set the window range to the standard default. After that, you can either zoom in on an area of interest or press WINDOW (just to the left of the ZOOM key) and enter in the window range.
Press WINDOW (the second key on the row of function keys at the top of the keyboard) and check your settings. Alternatively, if you're plotting a function press ZOOM 6 to set the standard window range and if you're plotting data press ZOOM 9 to set the range to go with the data.
Try using the standard Zoom. If you are drawing Y=f(X) functions, press [ZOOM][6:ZStandard]. The window dimensions will be [-10, 10] for X and the same for Y. If you are drawing polar graphs, in addition to the X,Y windows dimensions, you have Theta min =0 and Theta max =2*Pi =(6.28)
Press ZOOM and select Zoom standard (ZoomStd). Alternatively, press the WINDOW key to access the window range setup Set Xmin=-10 Xmax=10 Ymin=-10 Ymax=10 These are the standard dimensions of the window. You can change the dimensions as long as Xmin is less then Xmax, and Ymin is less than Ymax. Do not make Xres close to Xmax-Xmin.
That is for the "Zoom Fit" option. The calculator does not like the window you have for the equation you've given it. With this option, it will automatically give you the best fit in the window for the equation!