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Casio Calculator

Casio Calculator questions

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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

Commented

Jul 10, 2026

commented Jul 10, 2026 by Hossain Ali

1 Answer

Why is my calculator not turning on?

accepted Casio FX-991EX 1 Answer

Jerry Wheeler 98.4k

Commented

Jun 30, 2026

commented Jun 30, 2026 by Jerry Wheeler

Casio Calculator

1 Answer

My calculator water damage how to fixed

Casio Calculator 1 Answer

Answered

Jun 5, 2026

answered Jun 5, 2026 by Woof

Casio FX-991ES Plus

0 Answers

My calculator is not turning on

unanswered Casio FX-991ES Plus 0 Answers

oldturkey03 856.9k

Commented

Apr 27, 2026

commented Apr 27, 2026 by oldturkey03

Casio fx-580VNX

0 Answers

Calculator has a malfunctioning button

unanswered Casio fx-580VNX 0 Answers

Thảo Nguyễn

Asked

Apr 17, 2026

asked Apr 17, 2026 by Thảo Nguyễn

1 Answer

How to change display

Casio fx-82ES 1 Answer

Answered

Apr 16, 2026

answered Apr 16, 2026 by Raja Singh

4 Answers

Calculator is in 'PAUSE' mode

Casio FX-991EX 4 Answers

Commented

Apr 14, 2026

commented Apr 14, 2026 by Amin Iqbal

1 Answer

How to write A to Z alpabats in casio fx-82es plus

Casio fx-82ES 1 Answer

Orpon Chandra 13

Answered

Apr 7, 2026

answered Apr 7, 2026 by Orpon Chandra

1 Answer

Touch screen not responding, and when it does it presses wrong things

Casio FX-CP400 1 Answer

shametkoroman 13

Answer edited

Apr 3, 2026

answer edited Apr 3, 2026 by shametkoroman

0 Answers

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

unanswered Casio fx-82ES 0 Answers

Commented

Mar 19, 2026

commented Mar 19, 2026 by JRock

CASIO fx-82AU PLUS II NNATURAL-V.P.A.M.

0 Answers

Why is my 0 not working?

unanswered CASIO fx-82AU PLUS II NNATURAL-V.P.A.M. 0 Answers

Asked

Feb 20, 2026

asked Feb 20, 2026 by Moon

0 Answers

Porque mi calculadora no prende

unanswered Casio fx-82ES 0 Answers

dinoo_fixit 1.7k

Commented

Jan 3, 2026

commented Jan 3, 2026 by dinoo_fixit

0 Answers

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

unanswered Casio FX-991EX 0 Answers

Asked

Dec 24, 2025

asked Dec 24, 2025 by Morrison

Casio fx-580VNX

2 Answers

Why my calculator is not turn on?

Casio fx-580VNX 2 Answers

Answered

Dec 19, 2025

answered Dec 19, 2025 by Alex Larios

2 Answers

repairing of shift button in calculator

Casio fx-82ES 2 Answers

Answered

Oct 2, 2025

answered Oct 2, 2025 by Md Sadman

1 Answer

Why is my button (number 9) not functional is there something broken?

Casio fx-82ES 1 Answer

Answered

Sep 29, 2025

answered Sep 29, 2025 by Lucas

1 Answer

The zero button of my calculator didn't work

Casio fx-82ES 1 Answer

Answered

Sep 29, 2025

answered Sep 29, 2025 by Lucas

Casio FX-991ES Plus

2 Answers

How to fix calculator suddenly goes off after calculation

Casio FX-991ES Plus 2 Answers

Commented

Sep 14, 2025

commented Sep 14, 2025 by Fury GamerZ

2 Answers

keypad does not work properly

Casio FX-991EX 2 Answers

Shajedur Rahman

Answered

Aug 5, 2025

answered Aug 5, 2025 by Shajedur Rahman

Casio FX-991ES Plus

0 Answers

in dark place cannot see display

unanswered Casio FX-991ES Plus 0 Answers

Htoo Tint Tint Kyi

Asked

Jul 9, 2025

asked Jul 9, 2025 by Htoo Tint Tint Kyi