Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator

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Graph button won't graph, then it exits and put's a 4 instead ?

I put my equation into the y= screen and press the graph button at the top right corner and then it exits out of my y= equation screen and just has a 4 ? everytime i press the graph button after that it's like i'm actually hitting the 4 button ? help ?!

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Hello,
It seems that wires got crossed. I suggest you reset all RAM by the follwing steps
[2nd][MEM][7:Reset][1:All Ram][2:Reset][ENTER]
Ram cleared will be displayed on screen. [CLEAR] to go to the home screen.

If that does not solve your problem, reinstall the OS. Post a question on how to install OS, if you want, or read some of the posts on TI83/84/89 about same subject.

If nothing works, I am afraid you will have to repair the calculator.

Hope it helps.

Posted on Sep 14, 2009

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Do what he said...it works

Posted on Sep 17, 2009

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Usually ypu know the equation then graph it. However in doing statistics, it may appear that the curve of best for a scatter plot could be could an exponential. In that case you use the STAT application to enter the x-data in List 1 and the y-data in List 2. When you finish press the f1 key to select Graph1. You should also verify by Pressing F6:set that the graph type is set to scatter, and that List 1 contains the x-data and List 2, the y-data. After you verify that all is in order press the F1: Graph 1 key.
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How do u store linreg(ax+b)as y1 on ur graphic calculater


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1 Answer

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1 Answer

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Hello,
The marking that so puzzle you define the type of line (or dots) to represent the graphs. Enter as many functions as there are Y variables.
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1 Answer

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