Can not use graph function

1. To graph a function, Press [Y=] to enter the function editor.
2. Type in a legitimate function.
3. Press ENTER to validate the function.
4. Press the GRAPH key to draw the graph.
5. Play with the window dimensions or use the ZOOM feature
to see more of the graph (or less).

Try your settings by drawing the function y= x
If you have problem with Invalid Dimension or other errors, turn the
Statistical Plots OFF.
To do so, press [SHIFT] [Y=] to open the Stat Plots.
Type in the number to the left of the Option PlotsOff. Then press ENTER.

You can't simply enter 7x+9=30 into the calculator, there is a way to calculate what the x is but its been a few years since I've done these..

Change the battery

You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

You're probably trying to graph a function that does not involve stat plot features while the calculator is expecting them. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

The Texas Instruments TI-83 is a graphing calculator. It's aimed towards math and science students and lets them graph and compare functions, perform data plotting and perform analysis. It has an updateable memory for adding software applications. The device comes pre-loaded with applications too. An optional connectivity kit allows you to hook the device up to your computer, and there are also optional slide cases to protect it.

Turn on the TI-83. Press the On button.

Step 2Adjust the display contrast. Press and release the key marked "2nd" and then press and hold the arrow buttons, which are below and above the yellow half-shaded circle.

Step 3Go to the Home Screen. You can do this from anywhere. Just press the button marked 2nd and then Quit.

Step 4Perform a sample calculation to get the hang of how to use the device: Model flipping a coin 10 times. Track how many of those coin flips end up in a heads result and you want to do this simulation ten times. Press Math and the left arrow which will bring up the MATH PRB menu.

You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

In order to select additional graphs, the Transformation Graphing Application will need to be uninstalled from the TI-83 Plus Family and TI-84 Plus Family.

More information regarding this matter can be found in the Knowledge Base. The Knowledge Base can be accessed by clicking on the URL below:

http://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetId=65121&nUsePub=NO&jttst0=6_23871,23871,-1,0,&jtfm0=&etfm1=&jfn=ZG14E1108A3A0CD3ABADCD67260B59BDE0CEEA20790F80F708D8A4FDACCD82D31F792BC1B01D2F67ECAE6718104B82CC1C8F

Your stat plots are on, and may not be filled out/ correctly filled out.
go to [Y=] and go up to the stat plots ([Plot 1], [Plot 2], [Plot 3] ) and turn off the ones that are "ON" ( highlighed black w/ white text.) and press [ENTER] on the ones that are on and the problem is no more.

The TI 83, 84 seris can not store more than 10 equations. the TI 86 and above can have infinate, but not the 83, 84s. If you have catalog help in your apps, you can run that, and it will be able to tell you all the syntax of every function it has.