What battery does a Casio FX-85GTX Calculator take?
AAA
1 × AAA battery
The Casio FX-85GTX uses 1 AAA battery alongside solar assist.
If your Casio FX-85GTX Calculator has stopped working or is unresponsive, replacing the battery will usually fix it. Tap the button below to find the right AAA battery on Amazon.
Also known as: LR03, MN2400, Micro
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