Question about Texas Instruments TI-84 Plus Calculator

# I have the TI Nspire and cant seem to get the right answer for ln2 divided by 4 ln 1.0125. I guess I dont know how to input it, because I tried another problem that I had the answer for and entered it in and got the wrong answer. I have a test tonight and need to know how to do this!!

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• Texas Instru... Master

Sorry, it may be too late for your exam, but here is the answer.
You should enclose the 4ln(1.0125) in parentheses otherwise the calculator will interpret your expression as ln(2)/4 times ln(1.0125).
Here is screen capture that shows you how it is interpreted.
On the top line you have ln(2)/(4*ln(1.0125)), on the middle line ln(2)/4*ln(1.0125), and on the bottom line you have 0.25*ln(2)/ln(1.0125).

Posted on Nov 11, 2010

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Posted on Jan 02, 2017

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### How do you put the batteries in?

1. Remove the keypad (for TI-Nspire) or the battery door (for TI-Nspire CAS) and remove at least 1 battery from each column of batteries. After 2-5 seconds, reinsert the batteries and turn the unit on. This will cause the unit to reboot the operating system.
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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.

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Hello,
Try these, courtesy of the TI Knowledge Base

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.

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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.

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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.

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or this one which evaluates the divisor first

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