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Casio FX-991ES Plus

11 Answers

Not working. No display. Better also changed. what should I do?

Casio FX-991ES Plus 11 Answers

Answered

Mar 23, 2026

answered Mar 23, 2026 by David Asante

Texas Instruments TI-83

12 Answers

Why TI-83 wont turn on

accepted Texas Instruments TI-83 12 Answers

Commented

Feb 26, 2026

commented Feb 26, 2026 by Alex Gordillo

Texas Instruments TI-84 Plus Silver Edition

3 Answers

My buttons won't work

accepted Texas Instruments TI-84 Plus Silver Edition 3 Answers

Commented

Aug 23, 2021

commented Aug 23, 2021 by Edwin Thomas

Casio FX-991ES Plus

2 Answers

How to repair the display

accepted Casio FX-991ES Plus 2 Answers

Commented

Apr 8, 2025

commented Apr 8, 2025 by Limon Das

casio fx-991es plus

2 Answers

LCD has blotch after I dropped my calculator. Can this be fixed?

casio fx-991es plus 2 Answers

Commented

Dec 16, 2022

commented Dec 16, 2022 by Logan Howlett

Texas Instruments TI-84 Plus Silver Edition

5 Answers

Why my calculator is not charging?

Texas Instruments TI-84 Plus Silver Edition 5 Answers

Answered

May 20, 2023

answered May 20, 2023 by Jordan NerdBoy

Texas Instruments TI-30X IIS

6 Answers

Automatically adds a digit to the end of my entry

Texas Instruments TI-30X IIS 6 Answers

Commented

Apr 22, 2026

commented Apr 22, 2026 by DorJhana

Casio FX-991ES Plus

2 Answers

How do I fix my calculator that only runs on solar power?

accepted Casio FX-991ES Plus 2 Answers

Commented

Mar 23, 2024

commented Mar 23, 2024 by EV89

Texas Instruments TI-84 Plus Silver Edition

3 Answers

Where can I buy replacement parts for TI-84?

accepted Texas Instruments TI-84 Plus Silver Edition 3 Answers

Answered

Sep 16, 2016

answered Sep 16, 2016 by chamsmwamba

4 Answers

Calculator is in 'PAUSE' mode

Casio FX-991EX 4 Answers

Commented

Apr 14, 2026

commented Apr 14, 2026 by Amin Iqbal

Texas Instruments TI-84 Plus Silver Edition

4 Answers

Calculator won't turn on

Texas Instruments TI-84 Plus Silver Edition 4 Answers

Commented

Jan 17, 2026

commented Jan 17, 2026 by creber

Texas Instruments TI-84 Plus CE

2 Answers

TI-84 Plus CE My calculator says: Validing OS calculator will restart

Texas Instruments TI-84 Plus CE 2 Answers

TheLastMillennial 3.9k

Commented

Jul 16, 2025

commented Jul 16, 2025 by TheLastMillennial

2 Answers

How to remove f(x) always showing it

Casio fx-82ES 2 Answers

Commented

May 29, 2024

commented May 29, 2024 by sharon kimanis

Texas Instruments TI-83 Plus

9 Answers

Calculator wont turn on

Texas Instruments TI-83 Plus 9 Answers

Chandeshwar Thakur

Answered

Jan 15, 2025

answered Jan 15, 2025 by Chandeshwar Thakur

3 Answers

HP 41C Switching On Problem

HP-41C 3 Answers

Jose Maria Lopez

Commented

Dec 30, 2025

commented Dec 30, 2025 by Jose Maria Lopez

Casio FX-991ES Plus

3 Answers

Facing Problem on my calculator

Casio FX-991ES Plus 3 Answers

Answered

Jun 1, 2025

answered Jun 1, 2025 by ALINUR HOSSAN

Texas Instruments TI-Nspire CX

3 Answers

TI-Nspire CX Cas Damaged Charger Port

Texas Instruments TI-Nspire CX 3 Answers

Answer edited

Sep 7, 2021

answer edited Sep 7, 2021 by Jeff Harrison

Texas Instruments TI-84 Plus Silver Edition

2 Answers

How do I fix the screen on my calculator?

Texas Instruments TI-84 Plus Silver Edition 2 Answers

Commented

Oct 15, 2016

commented Oct 15, 2016 by Marie

Texas Instruments TI-84 Plus Silver Edition

1 Answer

What do I do if my calculator screen is cracked?

accepted Texas Instruments TI-84 Plus Silver Edition 1 Answer

Commented

Apr 29, 2026

commented Apr 29, 2026 by kmalkso

Texas Instruments TI-Nspire CX

1 Answer

LCD screen is broken on my TI-nSpire CX

accepted Texas Instruments TI-Nspire CX 1 Answer

Commented

Dec 8, 2023

commented Dec 8, 2023 by Janie Cruz