Question about Texas Instruments TI-86 Calculator

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IT-86 Both batteries removed, now dead

I removed both the double A batteries and the circular battery from my beloved TI-86 calculator. In doing so, I lost all the programs in the calculator, and now it does not work at all.

Is there a way to re-program the calculator? Is there a TI Calculator repair shop? I since bought a TI-89 that I do not like as much as the 86, and someone recently stole it off my desk at school. Ideally, I would like the TI-86 back. It seems there should be a way to reprogram it, and removing batteries should not be the kiss of death.

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Hello,
Use the TIconnect or TIGraphlink software to reinstall the programs. You will find the programs in the TI Program archives.
ftp://ftp.ti.com/pub/graph-ti/calc-apps/86/.

Hope it helps

Posted on Sep 23, 2009

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1 Answer

TI 86


Hello,
If batteries are inserted correctly you can adjust the contrast
Press [2nd] key and release it
Press and hold [UPArrow] key to darken till contrast is dark enough.

To enlighten screen, do as above but use the [DownArrow] key.
Hope it helps.

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