Why screen are suddenly off and turn on?

Question 1

0 crwdns2873741:0crwdne2873741:0

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Moshiur Rahman

crwdns2931731:0crwdne2931731:0

Kul 5, 2025

asked Kul 5, 2025 crwdns2933505:0crwdne2933505:0 Moshiur Rahman

Question 2

0 crwdns2873741:0crwdne2873741:0

How to fix the calculator that failed down and doesn't wanna open agai

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Nérondouba sointar Israël

crwdns2931731:0crwdne2931731:0

Nhl 28, 2024

asked Nhl 28, 2024 crwdns2933505:0crwdne2933505:0 Nérondouba sointar Israël

Question 3

0 crwdns2873741:0crwdne2873741:0

Calculator not working properly

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Muhammad Hunain

crwdns2931731:0crwdne2931731:0

Ndz 25, 2024

asked Ndz 25, 2024 crwdns2933505:0crwdne2933505:0 Muhammad Hunain

Question 4

0 crwdns2873741:0crwdne2873741:0

started working like that of Casio 115 ES plus.

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

oldturkey03 815,1crwdns2936485:0crwdne2936485:0

crwdns2931735:0crwdne2931735:0

Huk 10, 2023

crwdns2931431:0crwdne2931431:0 Huk 10, 2023 crwdns2933505:0crwdne2933505:0 oldturkey03

Question 5

0 crwdns2873741:0crwdne2873741:0

My Calculator's [AC] & [-] buttons aren't working properly

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Zachariah Orton 501

crwdns2931741:0crwdne2931741:0

Sun 31, 2023

commented Sun 31, 2023 crwdns2933505:0crwdne2933505:0 Zachariah Orton

Question 6

0 crwdns2873741:0crwdne2873741:0

calculator is switching off despite I changed the cells

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

1 1

crwdns2931731:0crwdne2931731:0

Kul 8, 2022

asked Kul 8, 2022 crwdns2933505:0crwdne2933505:0 1 1

Question 7

0 crwdns2873741:0crwdne2873741:0

Why is the on button not working?

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Adeleke Habeebullah

crwdns2931731:0crwdne2931731:0

N'w 8, 2020

asked N'w 8, 2020 crwdns2933505:0crwdne2933505:0 Adeleke Habeebullah

Question 8

0 crwdns2873741:0crwdne2873741:0

Closes automatically after 3 sec. Even after replacing my battery.

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Tanveer Hasanwale

crwdns2931731:0crwdne2931731:0

N'w 8, 2020

asked N'w 8, 2020 crwdns2933505:0crwdne2933505:0 Tanveer Hasanwale

Question 9

0 crwdns2873741:0crwdne2873741:0

How to get display brighter and clear which is very light not visible

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Syed Sana

crwdns2931731:0crwdne2931731:0

Huk 13, 2020

asked Huk 13, 2020 crwdns2933505:0crwdne2933505:0 Syed Sana

Question 10

0 crwdns2873741:0crwdne2873741:0

Why is my calculator not working?

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

amatsuda 477

crwdns2931741:0crwdne2931741:0

Nhl 20, 2020

commented Nhl 20, 2020 crwdns2933505:0crwdne2933505:0 amatsuda

Question 11

0 crwdns2873741:0crwdne2873741:0

cursor is not moving left and right

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

usama anjum

crwdns2931731:0crwdne2931731:0

Yan 26, 2020

asked Yan 26, 2020 crwdns2933505:0crwdne2933505:0 usama anjum

Question 12

0 crwdns2873741:0crwdne2873741:0

My equal(=), Ans and dot (.) button doesn't work. They show 0.

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Duane Donaldson 871

crwdns2931741:0crwdne2931741:0

Huk 27, 2019

commented Huk 27, 2019 crwdns2933505:0crwdne2933505:0 Duane Donaldson

Question 13

0 crwdns2873741:0crwdne2873741:0

Shift Solve not working

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Animesh Sinha

crwdns2931731:0crwdne2931731:0

Mha 28, 2019

asked Mha 28, 2019 crwdns2933505:0crwdne2933505:0 Animesh Sinha

Question 14

0 crwdns2873741:0crwdne2873741:0

Casio fx-991ES PLUS keys 1,4 and 7

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

gautam kumar

crwdns2931731:0crwdne2931731:0

Mha 18, 2019

asked Mha 18, 2019 crwdns2933505:0crwdne2933505:0 gautam kumar

Question 15

0 crwdns2873741:0crwdne2873741:0

My calculators mode setup options is not visible what should I do?

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Sanjana Hs

crwdns2931731:0crwdne2931731:0

N'w 21, 2018

asked N'w 21, 2018 crwdns2933505:0crwdne2933505:0 Sanjana Hs

Question 16

0 crwdns2873741:0crwdne2873741:0

How to tighten the case lock of my casio calculator?

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

thecmdmaker

crwdns2931731:0crwdne2931731:0

Nhl 23, 2018

asked Nhl 23, 2018 crwdns2933505:0crwdne2933505:0 thecmdmaker

Question 17

0 crwdns2873741:0crwdne2873741:0

no buttons are working

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

[deleted] 27,1crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Nhl 3, 2018

commented Nhl 3, 2018 crwdns2933505:0crwdne2933505:0 [deleted]

Question 18

0 crwdns2873741:0crwdne2873741:0

The printing on the keys is disappearing (FX115ES-PLUS/FX991ES-PLUS)

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Yuval Steuer

crwdns2931731:0crwdne2931731:0

Ndz 13, 2018

asked Ndz 13, 2018 crwdns2933505:0crwdne2933505:0 Yuval Steuer

Question 19

0 crwdns2873741:0crwdne2873741:0

Calculator keypad is damaged

crwdns2934197:0crwdne2934197:0 Casio FX-991ES Plus crwdns2933315:00crwdne2933315:0

Ekanshi Sharma

crwdns2931731:0crwdne2931731:0

Ndz 12, 2017

asked Ndz 12, 2017 crwdns2933505:0crwdne2933505:0 Ekanshi Sharma

crwdns2944620:0Casio FX-991ES Pluscrwdne2944620:0

Casio FX-991ES Plus crwdns2944632:0crwdne2944632:0