Introduction

This iconic school calculator really needed to be torn apart.

Parts

No parts required.

Remove these screws. 6x Philips #0 6x Philips #0
  • Remove these screws.

    • 6x Philips #0

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Put the tweezers (in their closed state) into the indentations on the side of the calculator. Slowly open the tweezers, to split the calculator into two halves. On certain build batches of this calculator, glue was used to better hold the halves together. You might have to use a card to split the two pieces.
  • Put the tweezers (in their closed state) into the indentations on the side of the calculator.

  • Slowly open the tweezers, to split the calculator into two halves.

    • On certain build batches of this calculator, glue was used to better hold the halves together. You might have to use a card to split the two pieces.

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Remove these screws: 4x Philips #0
  • Remove these screws:

    • 4x Philips #0

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Use a pair of tweezers to pull the connector out of its holder. Use a screwdriver to lever the connector out of its housing.
  • Use a pair of tweezers to pull the connector out of its holder.

  • Use a screwdriver to lever the connector out of its housing.

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Insert a spudger in between the PCB and the rubber button holder. Carefully remove the PCB and make sure not to damage the LCD ribbon cable. Carefully remove the PCB and make sure not to damage the LCD ribbon cable.
  • Insert a spudger in between the PCB and the rubber button holder.

  • Carefully remove the PCB and make sure not to damage the LCD ribbon cable.

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Peel off the rubber button holder starting in the top left corner. Peel off the rubber button holder starting in the top left corner. Peel off the rubber button holder starting in the top left corner.
  • Peel off the rubber button holder starting in the top left corner.

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Back part of the case. Front face of the case.
  • Back part of the case.

  • Front face of the case.

  • PCB with LCD and battery terminals.

  • Rubber button holder.

  • Buttons.

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Finish Line

Luca Casonato

Member since: 05/18/2017

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2 Guides authored

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