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  1. This is the calculator in question.
    • This is the calculator in question.

    • Features a black and white dot matrix screen.

  2. Turn the calculator over. Locate the six screws on the rear of the device.
    • Turn the calculator over.

    • Locate the six screws on the rear of the device.

    • These are Philips #00 screws.

    • Keep the screws you remove in a safe place so they don't get lost.

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  4. Once the screws are removed, carefully lift the back panel off, lifting the top end first. Place the panel to one side.
    • Once the screws are removed, carefully lift the back panel off, lifting the top end first.

    • Place the panel to one side.

    • You can now see the battery.

  5. Remove the battery
    • Remove the battery

    • Lift it up from the right hand side to avoid damaging the spring.

    • You may find this easier to do by prying it out with the screwdriver.

  6. Now you can insert the new battery Ensure you place it in spring-first.
    • Now you can insert the new battery

    • Ensure you place it in spring-first.

    • Congratulations! You have replaced the battery.

    • When reassembling, take care not to trap the red or black wires in the screws as this would sever them, making the calculator unusable.

    • Once reassembled, the calculator will be turned on. Turn it off to save battery by pressing Shift --> AC.

Заключение

To reassemble your device, follow these instructions in reverse order, noting the two reassembly instructions in the last step.

23 участников успешно повторили данное руководство.

Sam

Участник с: 23.09.2012

869 Репутация

1 Guide authored

Комментариев: 2

For some reason the two top screws made the calculator unstable, but removing them made it stable. Only occurred after removing the battery

Mida Galbraith - Ответить

what battery size is it? R03?

Humerdom - Ответить

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