How To Reset Window Settings On Ti-84
This tutorial will teach you how to adjust the viewing window If you would like to see a different part of, or more of, your graph.
How to Adjust The Window On TI-84 Plus
A common trouble you may meet is that you graph a line but the line is out of the window. Or you can see the line, but you just want to come across more of it. There are multiple ways to adjust the window size, we'll encompass them all but nosotros'll get-go with the most simple.
By default the window size for the graph is -10 to 10 for the Ten and Y axes. There are multiple ways to adjust the window size, nosotros'll cover them all but we'll beginning with the most elementary way.
Using "Zoom"
I will graph the equation Y=(X-ix)^2+8 as an example. When you lot graph this equation without changing the window size you volition get the screen below. This is not very helpful, but luckily we tin change the lengths of the X and Y axes to give us a improve picture.
From the graph press the [zoom] key located in the middle of the top row of keys. You lot will then be at the screen shown below. The 2 things on this list that y'all want to focus on for now are the "Zoom In" and "Zoom Out" options. In our instance nosotros can't meet enough of our graph then we select the "Zoom Out" option.
Once you press enter on the "Zoom Out" choice you lot will get in back at the graph. There should be a cursor at the origin of the graph. This is the bespeak that you will be zooming out from. You can move this cursor around to adjust where you want to zoom out from. In our instance we volition just leave it at the origin and press [enter] to zoom out. Then the calculator volition re-graph the line and yous should be able to see more of it.
Using "Window"
There is another way to adjust the window on the TI-84 Plus that gives you more control. If you lot press the [window] key, in the elevation row of keys, you will arrive at the screen below.
From here you can enter the verbal lengths that you want the 10 and Y axes to be. The outset two items on the listing ("Xmin" and" Xmax") are for the Ten axis. The values y'all enter will be the left and right lengths of the Ten axis.
Below that information technology says "Xscl" this is for adjusting how ofttimes there volition be tick marks on the graph. By default this will be prepare at i, this means that at that place will be a tick marker for every 1 Ten value on the graph. If you are going to be using a window that has an Xmin of -100 and an Xmax of 100 and then you may want to change the Xscl to something larger like 10 so that in that location aren't a ton of tick marks. Below, the epitome on the left has 40 tick marks on each centrality, the image on the right has twenty tick marks per axis.
The next three items on the list have the same functionality except for the Y centrality.
The seventh item on the list ("Xres" is the "resolution" of the line that y'all will graph. This ways basically means how many actual points the calculator will plot to make the line. If you graph a line with a low resolution setting (by entering a larger number), information technology will expect like the parabola on the left below. Information technology will graph super quickly but as well exist more jagged. If you lot graph a line with a higher resolution (by entering a lower number), the line volition be more than sooth just it will graph slower because the reckoner has to calculate more points.
Window Defaults
Finally if you desire to hands reset the window size, at that place is a manner to practice that as well. If you press the [zoom] key again you will detect that there are a number of presets below the "zoom" functions. The 1 that resets the window to default is "Zstandard". If yous want to reset your window just curlicue to that option and press [enter]. At that place are as well other presets that you lot might find useful, like "Ztrig" which will requite you tick marks in incroments of pi/two.
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Source: https://mathclasscalculator.com/index.php/calculator-tutorials/how-to-adjust-the-graph-window-on-ti-84-plus/
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