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Casio fx-991 CW Don't display

Casio fx-991 CW

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#1 JamesPhillip

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Posted 04 April 2023 - 04:13 AM

I am using Casio fx-991 CW from 3 months but yesterday its shut down after 5 minutes of calculation. I thought its battery low I change battery cell but its shut down again after 5 minutes. What the reason?

I calculate length and width of Interior designing for sketchiz I need a Scientific Calculator to measure this. Please tell me solution.

Thanks.



#2 pan.gejt

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Posted 05 April 2023 - 04:50 PM

The time limit is 10 or 60 minutes. There is no way how to change this values.  touch button during this time limit. Hower you can press button to interrupt this time limit.






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