I forgot the password to my fx-cg50 and I can't edit my name. I've already tried factory resetting it. : r/IBO
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How to reset a scientific calculator - Quora
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FX-82/-83GT/-115/-991ES PLUS Hacking - Casio CFX/AFX/FX/Prizm - Universal Casio Forum
My FX-991EX seems to be stuck. It's not taking any inputs and not responding to reset button. : r/calculators
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מחשבון מדעי FX-991ES PLUS | מחשבונים ומכונות חישוב | מיכון משרדי
FX-82/-83GT/-115/-991ES PLUS Hacking - Casio CFX/AFX/FX/Prizm - Universal Casio Forum
How to reset Casio fx-991ES PLUS or Casio fx-82ES PLUS or CITIZEN fc-991+1 Calculators? - YouTube
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Settings: Memory Reset on Casio fx-991EX Classwiz | Always try reseting your memory if you think your answers are incorrect. Learn how to do it on your favourite Calculator- Casio fx-991EX Classwiz