Scientific calculator by Casio. Widely used by students world-wide due to its great quality for the low price.

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Not working. No display. Better also changed. what should I do?

My Casio fx991 es plus calc not working what should I do? No display battery also changed. Advise me please.

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Malan

Mother &&^&

Pen chod

Loray

Dock

Bhonsri kay

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My Calculator display is gone. How can I repair it

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3 Answers

@shah313 double check to see if there is a reset hole on the back of your calculator. Use a small object to depress the rest button in there. Let us know what you find.

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Thanks for your answer but my calculator still at same position.

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It is not working and displaying.

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Not working and not displaying

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CASIO fx-991ES not working even though replacement of Battery. But its working with solar. pls suggest any things for resolve.

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Shahzad will be eternally grateful.
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