Question about Texas Instruments TI-89 Calculator
Hi, What would the cost be to just replace a screen on the TI-89 titanium. It looks like a student hit the screen with a nail or pen and there is a hole in it. The calculator works fine, but I need to know what to charge the student for a repair obligation.
Mine is the same, I Called TI and they said they would replace the calculator for $75 if I sent the one I have in now even though it doesnt hava a warranty so the answer would be $75
Posted on Oct 26, 2009
According to Toshiba, the screen of a laptop represents one third of the price of the laptop. 1/3 of the price of the calcultor would be right. Better still: give the student the calculator and charge him/her for the full price of a new one with applicable taxes.
Hope it helps.
Posted on Sep 12, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Sep 01, 2012 | Texas Instruments TI-89 Calculator
Apr 17, 2012 | Texas Instruments TI-89 Calculator
May 27, 2011 | Texas Instruments TI-89 Calculator
Mar 03, 2011 | Texas Instruments TI-89 Calculator
Warning!!! If you do this procedure make sure that your computer and, calculator are connect. Use Ti Connect software and, make sure you can install the OS on the calculator without any interruption. At any time even at the very beginning of this process, if your computer or, calculator gets interrupted or you have a power failure during the installation of the OS, your calculator will be destroyed. So not attempt this procedure during a thunder storm.
You can use the Ti OS Downloader but, you will have no idea what OS is stored by the Ti OS Downloader. So, I suggest following my instructions and, installing the newest Ti 89 Titanium OS 3.10v.
Procedure to installing the newest Ti 89 Titanium OS 3.10v.
You can also get the latest copy of Ti 89 Titanium OS 3.10v by going to the Texas Instruments web site. You can get to that site instantly by clicking, "Ti 89 Titanium OS 3.10v." Once your at the Ti site click the Download Item, Ti 89 Titanium OS 3.10v. Next you can login or, click "continue as guest". I'd would click the "continue as guest". Once you have click, "continue as guest" the Ti 89 Titanium OS 3.10v. will download to you. Click, "SAVE". And then a folder will pop up. It is probably a folder that you download too. If so, you may want to change it and, "Save as" to this folder, "My Documents \ My TI Data \ Downloads". You can also go back and, download the Ti 89 Titanium guidebook too, if needed.
Link your computer and calculator with the USB cable or, Direct Black Link cable that came with the calculator.
Remove one of the AAA batteries. Press and hold the [APPS] key, and while holding the [APPS] key, replace the battery and turn the unit on. On the older TI-89 you should see "Press I to install code...", and you should press the  key to continue. But, on your Ti 89 titanium it should say, "Waiting to receive..." or, "Waiting to received OS...". Now you need to follow the instructions in the paragraph below to restore the calculator's operating system.
Next, drag the Ti 89 Titanium OS 3.10v. that you copied earlier to "My Documents \ My TI Data \ Downloads" out of that folder and, drop it in the "Ti Connect" icon on the desktop. Next the OS Downloader Warning will pop-up. Click, "OK" to continue and, the new OS will begin to install. The Ti Device window should pop up and, click on to the port where your Ti 89 Titanium is located, USB1 cable or Direct Black COM1. Just click, "Select" and, the OS will continue to download. Upon completion the newest Ti 89 Titanium OS 3.01v. will be installed.
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