1. Remove slide cover. Place calculator face down.
2. Using a small Phillips screwdriver, remove screws from back case.
3. Remove back case.
4. Remove discharged batteries.
Caution: Avoid contact with other calculator components while changing batteries.
5. Install new batteries positive side up, as shown on diagram inside case.
6. Replace back case, and then replace screws.
7. Press off on on.
Caution: Dispose of old batteries properly. Do not incinerate batteries or leave where a child can find them.
Your calculator cannot hold data in memory when batteries are removed or become discharged.
First remove the six screws on the back cover. The top of the calculator will be still attached by three clips. Twist the calculator slightly to make the lower end of the gray part of the calculator pop up from the black base. Pry the base off by applying gentle pressure or by prying the sides outward. Be sure to short out the "reset" button after changing the batteries, by rubbing a coin over it.
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