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| + | [* black] Flip the device over to access the battery cover. |
|---|---|
| + | [* black] Using a spudger, pry the release tab down and then pull the battery door up and off the calculator. |
| + | [* black] Remove: |
| + | [* red] 2 7.2mm Phillips #0 screws |
| + | [* black] 1 15.3mm Phillips #0 screw, and a battery retaining clip. |
| + | [* icon_note] The CR1616 coin cell battery preserves settings and programs in memory while the main batteries are being changed. |
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