Question about Texas Instruments TI-84 Plus Calculator

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Wont stay on.

All new batteries, will not stay on. Shows a black square box in upper left corner. If I type fast enough, I cant get one number in before it shuts down. What can I do to make this work?

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  • 51 Answers

Try changing the watch-battery as well

Posted on Nov 04, 2008

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When i turn on my TI-84 silver edition only thing i see is a blinkin blaxk square on the top let corner.hiting any key wont do nothing it stays the same. Need help


If a checkerboard cursor ( black square ) is displayed, then either you have entered the maximum number of characters in a prompt, or memory is full.
If memory is full:

-Press 2nd then MEM and then 2 to display the MEMORY MANAGEMENT / DELETE menu.

-Select the type of data you want to delete, or select 1:All for a list of all variables
of all types. A screen is displayed listing each variable of the type you selected
and the number of bytes each variable is using.
-Press up-arrow and down-arrow keys to move the selection cursor > next to the item you want to delete, and then press DEL

Mar 23, 2012 | Texas Instruments TI-84 Plus Silver...

1 Answer

When i turn on my TI-84 silver edition only thing i see is a blinkin blaxk square on the top let corner.hiting any key wont do nothing it stays the same. Need help


If a checkerboard cursor ( black square ) is displayed, then either you have entered the maximum number of characters in a prompt, or memory is full.
If memory is full:

-Press 2nd then MEM and then 2 to display the MEMORY MANAGEMENT / DELETE menu.

-Select the type of data you want to delete, or select 1:All for a list of all variables
of all types. A screen is displayed listing each variable of the type you selected
and the number of bytes each variable is using.

-Press up-arrow and down-arrow keys to move the selection cursor > next to the item you want to delete, and then press DEL

Mar 23, 2012 | Texas Instruments TI-84 Plus Silver...

2 Answers

How do u use sqaure roots


  1. Press 2nd button (upper left hand corner of the device, it's the blue button)
  2. Press the x2 button (just to the left of the 7 key)
  3. Put in the number you want to square root.
  4. Press =
Hope that works for you.

Mar 01, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

What is the button for the square root?


2nd [square-root]

The 2nd is the shift key at the upper-left corner of the screen. The square root is the shifted function of the x^2 key, just to the left of the 7 key.

Jan 11, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

I turn on the calculator and all I get is a small black square dot in the upper left corner. TO Connect can read the unit, but nothing works on the display.


If the small black square does not blink The Calculator is Locked
it need an hardware reset
let me know if you if you want to fix the Calculator
ecrdn@yahoo.com

Jack

Oct 21, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

What do i push to find the square root of a number


First the "2ND" key at the upper left corner, then the "x^2" key just to the left of the "7" key. That key is labeled with a square-root symbol just above the key.

Oct 02, 2009 | Texas Instruments TI-30 XIIS Calculator

1 Answer

TI 84 plus calculator, flashing dot in upper left hand corner


Hello,

When you turn the calculator on, its screen is cleared, save for a small square on the top left corner. This is the cursor and it is blinking: The calculator is waiting for you to order it to perform some calculation.

Try this simple operation
[1] [+] [1] [ENTER]. The calculator will display the result one line down justified to the right.

Hope it helps.

Aug 26, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

My Casio isn't working!


clean the keypad and the printed ciircuit carefully with clean piece of cotton cloth.and apply
fresh battery after cleaning.

Jan 16, 2008 | Casio FX1.0 Plus Calculator

1 Answer

Small black square in top left...won't turn off


You should replace the AAA batteries with new ones, and should by a new set of back up batteries.

Aug 23, 2007 | Texas Instruments TI-83 Plus Calculator

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