Graphing on ti-83

I have a TI-83 and there has been a dark spot on my screen for several years and it has not been a problem. Try to use yours for as long as possible unless the screen is unviewable.

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..

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.

To clean the slate so to speak, just reset the RAM.

1. Press [2nd][+] to access the (MEM)ory management function
2. Press [7:Reset]
3. Press [1:All Ram]
4. Press [2:Reset]
5. Press [CLEAR] to erase the "RAM cleared" Message

Calc

Hi Anne,
here are some tips to use your TI 83 calculator. Patiently follows this:

1. Press ENTER to find out the answer to an expression.
2. Press 2ND before pressing a button to use the function in yellow above the button.
3. Press ALPHA to enter in letters.
4. Press 2ND before pressing Alpha to turn on Alpha lock, which will automatically use the alpha mode until you press a directional key or ALPHA again.
5. Press 2ND and then hold up or down to adjust the screen contrast accordingly.

Advanced Instructions

1. Press MODE to go to a menu that allows to change graphing modes, degree modes, and notation modes among other things.
2. Enter in a number then press STO> then enter in a letter and hit enter to store values in variables.
3. Press Y= and enter in a function and then press GRAPH to view it. If you are having trouble viewing it, press WINDOW and adjust the graph's window.

Thanks,

Cherile

[WINDOW] [(right arrow)] highlight axis on

Yes you can use it, here is the formula: Y= V(t+ (i/c))^(tc) V=amount put in, t=time, i=intrest rate, c= amount of times it is compounded.
(I know this because I have a TI-83 calculator)

How do I fix my Ti 83 calculator's window range error and do the graph?Because without that fixed I can't do my graph atall.

Well it seems that you are graphing stat points and forgot to turn them off. This can be easily fixed by going to 2nd and Stat Plot then make sure all the stat plots are turned off. This should solve your issue.

Are there funny arrows at the left of your Y= screen?
The illustration and solution are courtesy of Jesse Phillips, who cites this page from the Texas Instruments support site:
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

http://oakroadsystems.com/math/ti83oops.htm