# How do you put batteries into your scientific calculator? As I cannot seem to unscrew the back? It is an fx-83ES Casio. It is tempermental and sometimes will not turn on so I assumed it was due to the battery power.

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go to the link given u will get its manual download Casio-FX83ES (English) and go to page number 51! the battery replacement procedure is nicely explained on that page with diagram!
http://instructionsmanuals.com/modelo-3162-en-Calculators.htm

Posted on Jul 11, 2010

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Posted on Jan 02, 2017

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