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Ti 95 procalc

Lost memory after changing batterys

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2 Answers

What kind of battery does the TI-83 take


4 AAA batteries and one CR1616 or CR1620 button batter for backup

Source: http://en.wikipedia.org/wiki/TI-83_series

Sep 15, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

TI 82 Does it need the disk battery and 4 AAA batteries to work?


No. The calculator runs on the four AAA batteries. The lithium battery is solely to retain the contents of the memory while you change the AAA batteries. If you don't care about retaining the memory, you don't need the lithium battery. You do, however, need the AAA batteries to use the calculator.

Jul 31, 2011 | Texas Instruments TI-82 Calculator

1 Answer

Iturned on the calculator one day and it was very dim. A few dayds later, no read out


BATTERIES, Tim.

Batteries. Batteries. Batteries.

That is the description of what happens to TI Graphing Calculators when the battery power diminishes. The calculator will always reduce its display contrast in order to maximize time till expiration. There should have been prompts to warn you of its impending doom.

So, if it was very dim one day, and failed to display another day; then it most likely lost its battery power.

REPLACE THE BATTERIES.


By the way, your calculator has lost all of its memory when it completely diminishes. So, if you want to avoid losing all of your content then I would suggest your replace the batteries before battery expiration.

Mar 13, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

If I have to replace the batteries in my TI-83 Plus calculator, will the programs that I already have in place be lost?


That's what the backup battery is for. It will keep the memory long enough for you to change the AAA batteries. Just don't remove the main and backup batteries at the same time.

Feb 07, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

My calculator drains a set of four batteries with every use. Why?


I am not sure what every use means: duration, programs running etc. But that drainage is properly excessive. TI estimates that with 2 hours a day of usage, the batteries should last a school semester.

Possible causes of rapid drainage.
The most common causes of rapid battery drain are mismatched batteries
  1. Batteries of different brands
  2. Batteries of different types (alkaline (1.5V + rechargeable NiMH 1.2V)
  3. Batteries of different charge levels (new batteries with old ones)
  4. Negative charge build up
Another cause of rapid battery drain is the use of third-party programs: Certain of them keep large amounts of data in memory. Some of them are tweaked to bypass the TI power management scheme and disable the TI APD (automatic Power Down ) after 5 minutes of inactivity.

Possible remedies
  1. Remove all batteries (main batteries and backup battery)
  2. Leave them out of calculator for about 15 minutes. (Beware that this will clear the contents of the memory and that data will be lost along with all applications installed). However Applications cam always be reinstalled once calculator returns to its normal state.
  3. The possible benefit of the removal of all batteries is to make the negative charge build up disappear.
If that fails
If the foregoing steps fail to restore the calculator to its normal behavior, you may have to contact TI Customer Assistance by filling out and submitting a customer assistance form.




Dec 18, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

My TI-nspire CAS doesn't want to go on! I changed batteries! Tried the contrast buttons! Nothing works


Hello,
Try the other recipes from the TI knowledge base concerning a calculator failing to turn on

For the TI-Nspire™ Family:
  1. Remove thekeypad (for TI-Nspire) or the battery door (for TI-Nspire CAS) andremove at least 1 battery from each column of batteries. After 2-5seconds, reinsert the batteries and turn the unit on. This will causethe unit to reboot the operating system.
  2. Remove the keypad(for TI-Nspire) or the battery door (for TI-Nspire CAS) and remove atleast 1 battery from each column of batteries. After 2-5 seconds,reinsert the batteries and LEAVE THE UNIT OFF (do not turn on and thenback off). Hold down [Home] [Enter] [P], and while holdingthese keys, press [On]. The device will boot up as in the previousreset, but will display a menu with the following options. Please tryoptions 1, 2, 3, and 4 in that order. ** The [Home] key is located atthe top right of the TI-Nspire keypad and has a picture of a house onit.
Note:TI-Nspire family model options 2 and 4 above require that the OS be installed. The reset menu will only display if the unit is off and batteries have been removed/replaced as described above.

1. Cancel - The most non-intrusive reset option; no changes are made, the unit restarts.
2. Delete Operating System – The operating system will be deleted without deleting any documents.
3. Delete Document Folder Contents – This will delete the user’s documents, but will not delete the OS.
4. Complete Format – This will delete the OS and all documents for a total erase of memory.

Hope it helps you solve the problem.

Jun 10, 2009 | Texas Instruments TI-Nspire Graphic...

1 Answer

My TI-nspire CAS doesn't want to go on! I changed batteries! Tried the contrast buttons! Nothing works


Hello,
Here is what the TI knowledge base says about a calculator failing to turn on.

For the TI-Nspire™ Family:
  1. Remove thekeypad (for TI-Nspire) or the battery door (for TI-Nspire CAS) andremove at least 1 battery from each column of batteries. After 2-5seconds, reinsert the batteries and turn the unit on. This will causethe unit to reboot the operating system.
  2. Remove the keypad(for TI-Nspire) or the battery door (for TI-Nspire CAS) and remove atleast 1 battery from each column of batteries. After 2-5 seconds,reinsert the batteries and LEAVE THE UNIT OFF (do not turn on and thenback off). Hold down [Home] [Enter] [P], and while holdingthese keys, press [On]. The device will boot up as in the previousreset, but will display a menu with the following options. Please tryoptions 1, 2, 3, and 4 in that order. ** The [Home] key is located atthe top right of the TI-Nspire keypad and has a picture of a house onit.
Note:TI-Nspire family model options 2 and 4 above require that the OS be installed. The reset menu will only display if the unit is off and batteries have been removed/replaced as described above.

1. Cancel - The most non-intrusive reset option; no changes are made, the unit restarts.
2. Delete Operating System – The operating system will be deleted without deleting any documents.
3. Delete Document Folder Contents – This will delete the user’s documents, but will not delete the OS.
4. Complete Format – This will delete the OS and all documents for a total erase of memory.

Hope it helps you solve the problem.

Mar 08, 2009 | Texas Instruments TI-Nspire Graphic...

3 Answers

Dark screen


hit second and the down arrow to change screen darkness

Apr 30, 2008 | Texas Instruments TI-85 Calculator

1 Answer

Ti 85 graphing calculator


spellcheck.gif Turn up the contrast. [2nd] [up] spellcheck.gif

Aug 30, 2007 | Texas Instruments TI-85 Calculator

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