Step 1 Battery



• Turn off the calculator by pressing both the [2NDF ] and [ON] buttons at the same time.
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Step 2

• Flip the calculator so that the battery cover is facing you, and it will be easy to remove.
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Step 3
• Remove the two screws securing the battery cover with the Tri-point #000 screwdriver.
• Remove the battery cover.
• Make sure not to remove the other screws on the calculator, just the two screws on the battery cover.
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Step 4
• Remove the worn-out LR44 battery inside using a spudger.
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Step 5
• Gently insert the new LR44 battery in the empty battery slot.
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Step 6
• Place and screw the battery cover on using the Tri-point #000 screwdriver.
• Tightly screw the battery cover to prevent losing screws.
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