In calculate mode the "8" is coming itself all over the screen
During operation of the TI-Nspire handheld it may be necessary to reset the device. Circumstances which may require a reset include; keys not responding, device will not turn on or a garbled display.
To reset the device:
• Remove the keypad (for TI-Nspire with ClickPad, TI-Nspire with TouchPad, and TI-Nspire CAS with Touchpad) or the battery door (for TI-Nspire CAS with ClickPad) and remove at least one battery from each column of batteries. After 2-5 seconds, reinsert the batteries but do not turn the handheld on.
For the TI-Nspire and TI-Nspire CAS handheld units with ClickPad:
• Hold down [home] [enter] [P].
• While holding these keys press [on].
For the TI-Nspire and TI-Nspire CAS handheld units with TouchPad and the TI-Nspire CX and TI-Nspire CX CAS:
• Hold down [doc] [enter] [EE].
• While holding these keys press [on].
Please Note: For TI-Nspire Family handheld units that contain rechargeable batteries you can alternatively hold the above keys while pressing the [reset] button on the back of the handheld rather than removing the battery for 2-5 seconds.
• The device will boot up as in the previous reset, but will display a menu with the following options. Please try options 2, 3, and 4 in that order.
• 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 on the system.
• 3: Delete Document Folder Contents - This will delete the user's documents, but will not delete the OS. Selecting this option is the same as using the RESET hole on the back of the unit.
• 4: Complete Format - This will delete the OS and all documents for a total wipe of the handheld.
Please note that the second and fourth option will require that the OS will need to be reinstalled
SOURCE: calculator not working
i found this somewhere else on this website
and it worked for my broken ti-83plus which had same odd startup symptoms.
Remove one of the AAA batteries.
Press and hold CLEAR while reinstalling the AAA battery.
Continue holding CLEAR button and press ON.
Release buttons and press CLEAR again.
Calculator should be normal mode now. ;0)
SOURCE: No decimal display on TI BA-II calculator
Your BA II PLUS stores numeric values internally to an accuracy of 13 digits. However, the numbers it displays depends on the number of decimal places to which you have it set (choice of 0–9 or floating decimal). To set the number of decimal places displayed to three: hit [2ND][FORMAT][3][ENTER]This setting also continues indefinitely (even though the calculator is turned off and on) until it is changed.
SOURCE: Ti83 Plus
Check this link and go through the appropriate steps for the TI-83 Plus Family, TI-84 Plus Family:
Troubleshooting a TI Graphing Calculator That Will Not Turn On.
You might have a broken disoplay though (16x8 is the dimension of you machine the display)
SOURCE: faint numbers show on screen of T-85 texas calculator
Hello,
Make sure you have fresh batteries. Increase contrast
First possibility.
Press [2nd] and hold pressure
Press UpArrow and repeat this step
2nd Possibility
Press [2nd] key then release
Press UpArrow then release
Repeat the two steps in sequence till contrast is to you liking.
Hope it helps.
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