Question about Texas Instruments TI-84 Plus Calculator

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Frozen screen ti-84+

Changed batteries and still get last formula typed in, screen won't clear

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I tried furiously blowing in to the back of mine with all 4 AAA batteries and the back up battery removed
then i left the batteries out for 2 days
it works again with really minimum use... you have to repeat the blowing and leaving out nonsense every week
sometimes you regain use by rubbing the AAA batteries back and forth while they're in place

better get a new one if you can afford it

Posted on Oct 27, 2008

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Posted on Jan 02, 2017

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3 Answers

Can't see coordinates in Excel Formulas


And this is when you have selected a box and simply type something ?

Dec 28, 2007 | Computers & Internet

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Microsoft Shortcut keys for Microsoft Excel


Here's what you are looking for. Browse it and you can find it there all you want for shortcut keys. Follow this link below:

Microsoft Excel Shortcut keys
Enter data by using shortcut keysToPress

Complete a cell entryENTERCancel a cell entryESCRepeat the last actionF4 or CTRL+YStart a new line in the same cellALT+ENTERDelete the character to the left of the insertion point, or delete the selectionBACKSPACEDelete the character to the right of the insertion point, or delete the selectionDELETEDelete text to the end of the lineCTRL+DELETEMove one character up, down, left, or rightArrow keysMove to the beginning of the lineHOMEEdit a cell commentSHIFT+F2Create names from row and column labelsCTRL+SHIFT+F3Fill downCTRL+DFill to the rightCTRL+RFill the selected cell range with the current entryCTRL+ENTERComplete a cell entry and move down in the selectionENTERComplete a cell entry and move up in the selectionSHIFT+ENTERComplete a cell entry and move to the right in the selectionTABComplete a cell entry and move to the left in the selectionSHIFT+TABWork in cells or the formula bar by using shortcut keysToPressStart a formula= (EQUAL SIGN)Cancel an entry in the cell or formula barESCEdit the active cellF2Edit the active cell and then clear it, or delete the preceding character in the active cell as you edit the cell contentsBACKSPACEPaste a name into a formulaF3Define a nameCTRL+F3Calculate all sheets in all open workbooksF9 Calculate the active worksheetSHIFT+F9Insert the AutoSum formulaALT+= (EQUAL SIGN)Enter the dateCTRL+; (SEMICOLON)Enter the timeCTRL+SHIFT+: (COLON)Insert a hyperlinkCTRL+KComplete a cell entryENTERCopy the value from the cell above the active cell into the cell or the formula barCTRL+SHIFT+" (QUOTATION MARK)Alternate between displaying cell values and displaying cell formulasCTRL+` (SINGLE LEFT QUOTATION MARK)Copy a formula from the cell above the active cell into the cell or the formula barCTRL+' (APOSTROPHE)Enter a formula as an array formulaCTRL+SHIFT+ENTERDisplay the Formula Palette after you type a valid function name in a formulaCTRL+AInsert the argument names and parentheses for a function, after you type a valid function name in a formulaCTRL+SHIFT+ADisplay the AutoComplete listALT+DOWN ARROW

on Feb 11, 2011 | Computers & Internet

1 Answer

When i copy a sum formula in excel the first cell does not remain the same it increments by 1. how can I prevent this?


There are 2 types of direct cell references that you can use when you're writing formulas: Relative References & Absolute References.
A Relative Reference is the address of a cell (e.g. A5). When a Relative Reference in a formula is copied from one cell to another, the Reference gets changed automatically. e.g. If you put a formula in cell c5 as A5+1, when you copy this from c5 to c6 the formula A5+1 will automatically change to A6+1.
An Absolute Cell Reference does not change when its copied to another location. As in the example above if the formula in cell C5 is written as $A$5+1, if you copy this formula from C5 to C6 it will remain as $A$5+1 (NOT change to $A$6+1.
The $ sign signifies Absolute, and can be applied to the Row reference, the Column reference, or both Column & Row (as in the example).

Oct 17, 2014 | Microsoft Excel for PC

2 Answers

My TI-84 Plus Silver Edition is frozen. I can't clear the screen or enter in another problem. What do I do?


If the TI-84 SE does not function even though you are sure that the
batteries are fresh, you can try manually resetting it by following steps:

1. Remove all of the AAA batteries from the graphing handheld

2. Press and hold the ON key for ten seconds

3. Replace the batteries

4. Turn on the unit

When you reset your graphing handheld, the contrast sometimes
changes. If the screen is faded or blank, adjust the contrast by
pressing 2nd and releasing up-arrow or down-arrow keys.

Aug 27, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

Screen frozen with ans+ and blinking cursor new batteries...both kinds blew air into the I/O port tried the key combinations clear & del with batteries and nothing works


Hopefully this will get you around the problem for the time being. You can download a program called "Virtual TI" written by Rusty Wagner. You will also need to download the TI-84 ROM file from the Internet and place it in the folder with the Virtual TI program.
Once Virtual TI is running, press F12 and select the version of the calculator ROM that you have. You can also try WabbitEmu.

May 12, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

My HP35s keeps flashing MEMORY CLEAR. I removed the batteries and reset it with a paper clip. Nothing works.


I'm not sure if it is the only solution, but I had the same problem and I replaced the batteries. My HP35S works fine now.

Previously, however, there was no "battery" annuciator on the screen. This calculator went four years without a bettery change. My HP48GII, on the other hand won't go two months without a change. Go figure.

May 11, 2011 | HP 35s Scientific Calculator

1 Answer

I have a TI-84 plus silver edition. there was a notice on my screen saying that batteries were low. I replaced them, and when I turned it back on, the RAM was cleared, but the screen acted like it was...


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

If that isn't it, then remove all four AAA batteries. Press and hold the ON key for ten seconds. Replace the batteries and turn the calculator on. (You may have to adjust the contrast as described above.)

Aug 31, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

My ti-84 froze up while I was working on it. I


Having gone over a month without a response, I assume it was just a screen problem.

Apr 07, 2010 | Texas Instruments TI-84 Plus Silver...

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