Casio FX-991EX Battery Replacement

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Casio FX-991EX Battery Replacement, Remove the battery cover: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

Casio FX-991EX Battery Replacement, Remove the battery cover: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

Remove the battery cover

Remove the battery cover's screw using a Philips #0 screwdriver.

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