Question about Texas Instruments TI-83 Plus Calculator

# Graphing calculator help

I have a cord that came with my graphing calculator. I can't find where it connects to my computer though it has the same end you would use to plug in a mic on a mobile phone, if that helps.

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• bjtouhey Dec 10, 2008

I also have this problem the only spots like this on the computer are the mic and headphone plug in. Do you have to get a different wire?

• kakima May 11, 2010

Does the cord have the same connector on each end? If so, that cord is for connecting two calculators. You'll need to buy the link cable from TI, or else make your own.

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• Expert

The cord that comes with the TI-83 Plus is a unit-to-unit link cable. It allows you to share data from one TI-83 (or other compatible TI calculator) to another. If you have the optional TI-GRAPH LINK adapter cable and the appropriate software it can also be connected to a PC.

For more info, here is the link to the manual. Chapter 19 discusses it in great detail.

Hope this helps..and good luck!

Posted on May 28, 2009

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The casio FX-300Ms calculator cannot do graphs. To tell you how to use a graphing calculator TO DRAW GRAPHS we need to know the exact brand and model number of the calculator.

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3. You enter the algebraic form of the function you want to draw.
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Even though this post does meet your expectations, do not let that prevent you from rating it.

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### Cannot graph invalid dim error

This error show up when you are graphing out of the plot menu. If you are not graphing data points from list menu, you need to turn the plots off. In the y= screen, you will see the words plot 1, plot 2, etc across the top of the screen. If one of the plots is highlighted (black box over the words), you need to turn it off. This can be done by arrowing up and highlighting the box and pressing enter. When you arrow back down, the plot should be off and you will be able to enter an equation in the y= lines and graph.

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### Graphing

The first solution will allow you to watch your calculator graph two equations simultaneously rather than finishing one before graphing the next; it won't solve the problem of having the calculator unselect one equation when you select a second. To fix that problem, try the following:

In order to select additional graphs, the Transformation Graphing App will need to be uninstalled from the TI-83 Plus Family and TI-84 Plus Family. Uninstalling the App does not erase it from the calculator, it disables it from interfering with the normal graphing modes. Below are the steps to successfully uninstall the App.
• Press [APPS] key
• Select Transfrm from the menu
• Press 1:Uninstall
The illustration and solution are courtesy of Jesse Phillips, who cites this page from the Texas Instruments support site

- doug garfinkel, Children's Day School

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