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calculator is switching off despite I changed the cells
senza risposta Casio FX-991ES Plus 0 Risposte
Solar panel is broken
Casio FX-991ES Plus 1 Risposta
Why won’t it use the battery?
accettato Casio FX-115MS 1 Risposta
How can I fix the lcd of the calculator as it only shows upper half
senza risposta Casio fx-82ES 0 Risposte
How to Change Mode
Casio FX-991ES Plus 1 Risposta
Where I get service parts
accettato Casio FX-991ES Plus 1 Risposta
Why is the on button not working?
senza risposta Casio FX-991ES Plus 0 Risposte
Closes automatically after 3 sec. Even after replacing my battery.
senza risposta Casio FX-991ES Plus 0 Risposte
How to get display brighter and clear which is very light not visible
senza risposta Casio FX-991ES Plus 0 Risposte
Why is my calculator not working?
senza risposta Casio FX-991ES Plus 0 Risposte
Weird pixel error?
senza risposta Casio fx-82ES 0 Risposte
cursor is not moving left and right
senza risposta Casio FX-991ES Plus 0 Risposte
My equal(=), Ans and dot (.) button doesn't work. They show 0.
senza risposta Casio FX-991ES Plus 0 Risposte
How do I fix my calculator that only runs on solar power?
accettato Casio FX-991ES Plus 2 Risposte
