Difficulty

Moderate

Steps

8

Time Required

                          10 minutes

Sections

1

  • Calculator
  • 8 steps

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Introduction

What you need

Step 1

              Calculator
  • Remove the six 5 mm screws on the back of the calculator.

Remove the six 5 mm screws on the back of the calculator.

1024

Step 2

  • Carefully remove the back plate to reveal the circuit board and the battery.

Carefully remove the back plate to reveal the circuit board and the battery.

Step 3

  • Remove the four 4 mm screws from the circuit board.

Remove the four 4 mm screws from the circuit board.

Step 4

  • Be aware of the placement of the blue, black, red, and yellow wires because they will fall out when the next step is taken.

Be aware of the placement of the blue, black, red, and yellow wires because they will fall out when the next step is taken.

Step 5

  • Carefully lift the circuit board while leaving the grey rubber piece face down.
  • Simply flip the circuit board and the screen over but do not remove them fully.
  • Make sure the calculator is face down.
  • Buttons are loose do not flip calculator over.

Carefully lift the circuit board while leaving the grey rubber piece face down.

Simply flip the circuit board and the screen over but do not remove them fully.

Make sure the calculator is face down.

Buttons are loose do not flip calculator over.

Step 6

  • Now lift the grey rubber piece off to reveal the individual buttons.
  • Buttons are loose make sure they do not come off with the rubber piece.

Now lift the grey rubber piece off to reveal the individual buttons.

Buttons are loose make sure they do not come off with the rubber piece.

Step 7

  • To remove the buttons you can use your screwdriver and lightly flip them out of their individual spaces.
  • You can now access all the buttons and make any alterations needed.

To remove the buttons you can use your screwdriver and lightly flip them out of their individual spaces.

You can now access all the buttons and make any alterations needed.

Step 8

  • Refer to this picture if any buttons get misplaced or fall out.

Refer to this picture if any buttons get misplaced or fall out.

To reassemble your device, follow these instructions in reverse order.

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                                                                                      3 other people completed this guide.

Author

                                      with 3 other contributors 


                    Daniel Riedeman

Member since: 04/09/2015

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Team

                       Cal Poly, Team 28-2, Green Spring 2015                        

                                                  Member of Cal Poly, Team 28-2, Green Spring 2015 



                    CPSU-GREEN-S15S28G2                     


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                                            2 Guides authored

Kathryn Webb - Apr 16, 2015

Reply

Great photos make sure to replace the stock photos with those you take. Maybe retake photos with white background.

ayush shukla - Aug 7, 2017

Reply

my answer key button not working. when i press button it shows the X10 so what can i do plzz give tips for repairing

[deleted] - Nov 15, 2017

Reply

Halp my board is stuck to the front plate sith super glue from previous owner.