iFixit - Answers With Device "Calculator"

Casio fx-580VNX: Calculator has a malfunctioning button

Fri, 17 Apr 2026 03:40:29 -0700

What's wrong with my Casio calculator? I was using it for normal calculations when I noticed about 5-6 buttons stopped working. Is there any way to fix this?

Casio fx-82ES: Why does my calculator not turn on when I press the on button

Thu, 19 Mar 2026 21:24:41 -0700

Why does my calculator not turn on when I press the on button

⟐ Commented March 19, 2026 at 21:24 MST

Other Brand Calculator: Check button is not work

Fri, 20 Feb 2026 21:49:35 -0700

Check button is not working

⟐ Commented February 20, 2026 at 21:49 MST

CASIO fx-82AU PLUS II NNATURAL-V.P.A.M.: Why is my 0 not working?

Fri, 20 Feb 2026 09:54:29 -0700

Why is my 0 not working?

TI-89 Titanium: screen ends up freezing after I use it for a while

Wed, 11 Feb 2026 09:27:30 -0700

When I use it for some time, the screen ends up freezing, and the only buttons that work are 2nd, Diamond, Alpha, and copy

Texas Instruments Calculators: ti-86 screen not working

Sat, 24 Jan 2026 02:58:30 -0700

ti-86, when i push the on button, the screen blinks with a bunch of scribble lines on the bottom third of the screen, then nothing

changed all the batteries. dosen't look like there is any damage. prett much looks new.

⟐ Commented January 24, 2026 at 2:58 MST

Casio fx-82ES: Porque mi calculadora no prende

Sat, 03 Jan 2026 10:18:07 -0700

No enciende,se oprime on y no funciona

⟐ Commented January 03, 2026 at 10:18 MST

Casio FX-991EX: The arrow keys, alpha keys and the mode setup key are not working

Wed, 24 Dec 2025 04:00:37 -0700

arrow keys, alpha keys and the mode setup key are not working

Sharp EL-546XT: My sharp EL/546XT display 3.

Wed, 03 Dec 2025 21:05:43 -0700

I have tried reset and take out the battery and put back. The problem remains. Would you please help me? Thank you very much!

Texas Instruments TI-83 Plus: One of the button rows doesn’t work

Thu, 16 Oct 2025 07:42:33 -0700

The 2nd to bottom row of buttons, specifically Sto→, 1, 2, 3, and +, isn’t working. They were working fine until one day they stopped working. I use the calculator a lot so I would appreciate any answers because it’s $100 to buy a new one.

TI-84 Plus: The Entry/Solve button is not working?

Mon, 01 Sep 2025 18:35:00 -0700

Ok so I have a TI-84 Plus yellow-black calculator ( the ones that says school property) and I had it for a couple of years and now the entry/solve button doesn't work. All other buttons work but not that. Is there a way to fix it and dissemble a TI-84 Plus.

⟐ Commented September 01, 2025 at 18:35 MST

Casio FX-991ES Plus: in dark place cannot see display

Wed, 09 Jul 2025 22:29:03 -0700

991es plus i bought 13years ago, now i use it to change the battery but lighting strong place there can use it. no lighting dark place cannot see the display but its working. how should i do?

Hewlett Packard 48GX: Turned comp. on and it blinked & died. checked contacts, + new batter

Tue, 24 Jun 2025 18:15:23 -0700

batteries and dead.

Casio FX-991ES Plus: Facing Problem on my calculator

Mon, 02 Jun 2025 01:05:08 -0700

⟐ Edited June 02, 2025 at 1:05 MST

Casio fx-82ES: After changing battery it not correct display

Wed, 21 May 2025 06:25:35 -0700

I changed the battery but screen does, nt display correctly

⟐ Commented May 21, 2025 at 6:25 MST

Sharp EL-1197P calculator: Get an E error

Tue, 08 Apr 2025 05:10:14 -0700

I get an E error when turn on. I have tried rebooting, i.e., unplugging for a day and then plugging back in to a different outlet.

Casio FX-991EX: Why is my calculator turned on and off consecutively for no reason?

Tue, 11 Mar 2025 07:04:00 -0700

can someone help? maybe it could be abattery issue but i need help :))

Texas Instruments TI-5130: My center two rows of numbers won't print

Sat, 08 Mar 2025 11:14:12 -0700

the 100's 1000's and 10,000's row of numbers won't print

Casio FX-991ES Plus: Why screen are suddenly off and turn on?

Wed, 05 Mar 2025 13:07:28 -0700

in my calculator ,while i type or click digit like 3 to 4 numbers the screen refresh automically ....i mean when i click my fourth or seventh number the screen auto refresh and all type on screen are being deleted...on the other hand sometimes screen not shown to me...if i click a digit for a while the screen shown to me then i press of the digit screen are off....i changed my battery...now what should i do? is this repairable?

Hewlett Packard 48GX: Can the screen be replaced?

Wed, 01 Jan 2025 20:08:49 -0700

The screen is damaged and I would like to replace it,

⟐ Commented January 01, 2025 at 20:08 MST