O que você precisa
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This is the calculator in question.
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Features a black and white dot matrix screen.
Pergunte ao FixBot
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Turn the calculator over.
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Locate the six screws on the rear of the device.
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These are Philips #00 screws.
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Once the screws are removed, carefully lift the back panel off, lifting the top end first.
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Place the panel to one side.
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You can now see the battery.
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Now you can insert the new battery
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Ensure you place it in spring-first.
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Congratulations! You have replaced the battery.
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When reassembling, take care not to trap the red or black wires in the screws as this would sever them, making the calculator unusable.
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To reassemble your device, follow these instructions in reverse order, noting the two reassembly instructions in the last step.
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3Comentários do guia
For some reason the two top screws made the calculator unstable, but removing them made it stable. Only occurred after removing the battery
what battery size is it? R03?
