Fix Your Stuff Community Store

Casio FX-991ES Plus Repair Forum

Ask
Learn How It Works Ask a Question
All Questions
Casio FX-991ES Plus

Casio FX-991ES Plus newest threads

clear
Newest
All Most Helpful Unanswered Newest
All Questions
Casio FX-991ES Plus
0 Answers
in dark place cannot see display

unanswered Casio FX-991ES Plus 0 Answers

Htoo Tint Tint Kyi

Asked

asked by Htoo Tint Tint Kyi

Casio FX-991ES Plus
0 Answers
Facing Problem on my calculator

unanswered Casio FX-991ES Plus 0 Answers

jayeff 521.3k

Edited

edited by jayeff

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

unanswered Casio FX-991ES Plus 0 Answers

Moshiur Rahman

Asked

asked by Moshiur Rahman

Casio FX-991ES Plus
0 Answers
How to fix the calculator that failed down and doesn't wanna open agai

unanswered Casio FX-991ES Plus 0 Answers

Nérondouba sointar Israël

Asked

asked by Nérondouba sointar Israël

Casio FX-991ES Plus
0 Answers
Calculator not working properly

unanswered Casio FX-991ES Plus 0 Answers

Muhammad Hunain

Asked

asked by Muhammad Hunain

Casio FX-991ES Plus
0 Answers
started working like that of Casio 115 ES plus.

unanswered Casio FX-991ES Plus 0 Answers

oldturkey03 835.9k

Edited

edited by oldturkey03

Casio FX-991ES Plus
1 Answer
My Casio power button is not working

Casio FX-991ES Plus 1 Answer

Asha Kanta Sharma 433

Answered

answered by Asha Kanta Sharma

Casio FX-991ES Plus
1 Answer
Why doesn't my calculator turn on though I just got it?

Casio FX-991ES Plus 1 Answer

mayer 689.1k

Answered

answered by mayer

Casio FX-991ES Plus
0 Answers
My Calculator's [AC] & [-] buttons aren't working properly

unanswered Casio FX-991ES Plus 0 Answers

Zachariah Orton 525

Commented

commented by Zachariah Orton

Casio FX-991ES Plus
1 Answer
Can't find the brightness changer mode

Casio FX-991ES Plus 1 Answer

jayeff 521.3k

Answered

answered by jayeff

Casio FX-991ES Plus
1 Answer
Why it is hang after pressing √(10) *10^13

Casio FX-991ES Plus 1 Answer

Erik Eriksson 2.4k

Commented

commented by Erik Eriksson

Casio FX-991ES Plus
0 Answers
calculator is switching off despite I changed the cells

unanswered Casio FX-991ES Plus 0 Answers

1 1

Asked

asked by 1 1

Casio FX-991ES Plus
1 Answer
My calculator is not turning on

Casio FX-991ES Plus 1 Answer

jayeff 521.3k

Answered

answered by jayeff

Casio FX-991ES Plus
1 Answer
Solar panel is broken

Casio FX-991ES Plus 1 Answer

Logixal 2.8k

Answered

answered by Logixal

Casio FX-991ES Plus
1 Answer
How to Change Mode

Casio FX-991ES Plus 1 Answer

jayeff 521.3k

Answered

answered by jayeff

Casio FX-991ES Plus
1 Answer
Where I get service parts

accepted Casio FX-991ES Plus 1 Answer

Bijoy 11

Accepted an answer

answer accepted by Bijoy

Casio FX-991ES Plus
0 Answers
Why is the on button not working?

unanswered Casio FX-991ES Plus 0 Answers

Adeleke Habeebullah

Asked

asked by Adeleke Habeebullah

Casio FX-991ES Plus
0 Answers
Closes automatically after 3 sec. Even after replacing my battery.

unanswered Casio FX-991ES Plus 0 Answers

Tanveer Hasanwale

Asked

asked by Tanveer Hasanwale

Casio FX-991ES Plus
0 Answers
How to get display brighter and clear which is very light not visible

unanswered Casio FX-991ES Plus 0 Answers

Syed Sana

Asked

asked by Syed Sana

Casio FX-991ES Plus
0 Answers
Why is my calculator not working?

unanswered Casio FX-991ES Plus 0 Answers

amatsuda 477

Commented

commented by amatsuda