Question about Texas Instruments Explorer Plus Scientific Calculator

# Explorer plus calculator display dims as more numbers are entered. No battery is present in this style calculator.

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You may need more light but there are batteries in your calulator and you need to replace them check on the back cover for what type you need .

Posted on Oct 11, 2009

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Posted on Jan 02, 2017

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## Related Questions:

### How do i put powers on my calculator? Like 10 to the twenty third power...

Look for a key that may be marked as X to power y, or Y to power x or just a caret [^]. However to enter a power of 10 such as in the Avogadro Number 6.02*10^23, scientific calculators have a specific key marked EE (enter exponent?) on TI's or x10^x on Casios.
When you use the EE key no 10 should appear: meaning to enter 6.02*10^23 you type in 6.02 followed by [EE] then 23. Press = to display the number. Th e EE key is a shortcut for *10^

Jan 10, 2013 | Texas Instruments TI-34II Explorer Plus...

### 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

### Tengo una calculadora ti-84 plus silver edition no puedo graficar porque sale err:dim no val un ejeploo es x*2(x a la 2)

If you got the message while trying to draw a graph
1. Press [2nd][Y=] (STAT PLOT)
2. Choose option [4:PlotsOff][ENTER]. Screen displays Done
If message popped up while doing something else that involves lists or matrices, the length of lists may be different, or the dimensions of matrices may not be compatible.

To Clear the lists:
1. Press [2nd][0] (CATALOG)
2. Press [PGRM] (C) to jump to first command that starts with c.
3. Use arrow to scroll down to ClrAllLists, select it [ENTER]
4. Calculator displays Done
5. Start the new problem.
To reset the Ram press [2nd][+] (MEM) [7:Reset][1:All Ram][2:Reset]. Press [CLEAR] to erase the Ram Cleared message.

When the RAM is cleared, the calculator is reset. The calculator resets itself after a battery change.

Aug 23, 2010 | Texas Instruments TI-83 Plus Calculator

### ERR: INVALID DIM displayed on graphing calculator

The solution for the problem is simple. When you use the calculator to create statistical graphs, it is configured to accommodate the specificities of the problem. However that configuration remains set after you terminate the problem. So when you try to use the calculator to do other problems it uses the stored configuration parameters, which may be incompatible with the new problem. In particular, list of paired-variables must have the same dimensions: There must be the same number of elements in each list.

To make a long story short, you should make it a habit to reset the Ram every time you want to do a new problem. If for reasons of you own you do not want to reset the Ram, you can prevent this type of errors from occurring. This is how you do it.

1. Press [2nd][Y=] (STATPLOT)
2. Choose option [4:PlotsOff][ENTER]. Screen displays Done
3. Press [2nd][0] (CATALOG)
4. Press [PGRM] (C) to jump to first command that starts with c.
5. Use arrow to scroll down to ClrAllLists, select it [ENTER]
6. Calculator displays Done
7. Start the new problem
To reset the Ram press [2nd][+] (MEM) [7:Reset][1:All Ram][2:Reset]. Press [CLEAR] to erase the Ram Cleared message.

Jan 16, 2010 | Texas Instruments TI-83 Plus Calculator

### I can not graph simultaneous equations. Mode is set to functions and simutaneous. Megaphone(?) is to the left of y= instead of \ (or /). I can do this on other TI 84s but not my own!!

Hi,
What you call a megaphone is a bit of graph style that the calculator can use to display graphs. There are 7 styles. To select a style, open the Y= editor. On the same line where you typed in an equation, use the left arrow to move the cursor on the graph style piece. Highlight and press ENTER. Each time you press ENTER, the style changes, so you can cycle through all the available ones. Be careful with the bubble style, it will not leave a graph. It will evaporate.

Whether you draw the graphs simultaneously or sequentially amounts to the same thing at the end. Both graphs will be present on the same sceen (except the bubble).

What you should make sure of is that the equal signs of both functions (Y1=, and Y2=) remain highlighted as cursor moves to another location. Usually, an equal sign becomes highlighted as soon as you start enbtering the relevant function. If you cannot keep both highlighted, I suggest you reset the calculator RAM.

To reset Ram
Press [2nd][MEM][7:Reset][1:All Ram][2:Reset][ENTER] . Press [CLEAR] to clear the "Ram Cleared" message.

If for some reason you do not want to clear the Ram, you must turn statplots of.
To turn StatPlots Off

Press [2nd] [Y=] (STATPLOT). Select [4:PoltsOff][ENTER][ENTER].

That should work.

Hope it helps.
Don't forget to rate the solution and don't be stingy: 4 thumbs up won't leave you any the poorer.

Nov 25, 2009 | Texas Instruments TI-84 Plus Calculator

### Error message:

Hello,
If you were trying to do paired-variable statistics the lists fo not have the same length, Check you lists and make sure they have the same number of elements.
If you were trying to draw graohs and you got this message, then you should turn StatPlots OFF. To do so press
[2nd][STATPLOT][4:PlotsOff][ENTER][ENTER]
Press [2nd][CATALOG] C. In the list of commands that appear scroll down a bit to reach ClrAllLists. Point to it and press [ENTER][ENTER]. Calculator displays Done.
Restart you graphs.
If you were using matrices, the dimensions may be incompatible for the operation.

If you had spelled what you were doing prior to the error message, I would not have had to guess.
Hope it helps.

Nov 13, 2009 | Texas Instruments TI-83 Plus Calculator

### Where is the "e" button

Press [2nd] [LOG] to display the menu for logs and exponential functions. Select [e^]. Enter the number, close the right parenthesis and press [ENTER].

Nov 08, 2009 | Texas Instruments TI-34II Explorer Plus...

### Texas Instrument TI-34II problem

Press [2nd] [LOG] to display the menu for logs and exponential functions. Select [LN]. Enter the (positive) number, close the right parenthesis and press [ENTER].

Oct 07, 2009 | Texas Instruments TI-34II Explorer Plus...

### Convert to scientific mode

Hello,
Use the EE key
1.234[EE] [(-)]65 [ENTER] 1.234 times 10 negative 65 =1.234E-65
The (-) is not the regular (bigger) minus sign. If you press [EE] the number displayed is writen is scientific noation.
Hope it helps

Jul 16, 2009 | Texas Instruments TI-34II Explorer Plus...

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