Difficulty
Easy
Steps
5
Time Required
5 - 10 minutes
Sections
1
- BATTERY
- 5 steps
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Member-Contributed Guide
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BackCasio MH-10M
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What you need
Step 1
BATTERY
- This is the calculator in question.
- Features a black and white dot matrix screen.
This is the calculator in question.
Features a black and white dot matrix screen.
1024
Step 2
- 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.
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.
Step 3
- 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.
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.
Step 4
- 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.
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.
Step 5
- 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.
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.
To reassemble your device, follow these instructions in reverse order, noting the two reassembly instructions in the last step.
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Author
with 3 other contributors
Sam
Member since: 09/23/2012
959 Reputation
1 Guide authored
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Mida Galbraith - Jun 15, 2017
Reply
For some reason the two top screws made the calculator unstable, but removing them made it stable. Only occurred after removing the battery
Humerdom - May 25, 2018
Reply
what battery size is it? R03?
Albert Einstein - Feb 5, 2020
