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When you remove your calculators AAA batteries, or if they die, the backup battery powers the calculator so your information is not lost. If you seem to lose programs or variables in your calculator, you may want to replace your backup battery.
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Remove the battery cover.
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Remove the AAA batteries from the calculator.
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Remove the 5mm Philips #00 screw holding backup battery cover.
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Remove the backup battery cover.
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Use plastic opening tool to remove the backup battery. Place the tool in the small cut-out next to the battery and pry the battery out.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Cal Poly, Team 18-37, Regan Fall 2012 crwdns2935289:0Cal Poly, Team 18-37, Regan Fall 2012crwdne2935289:0
CPSU-REGAN-F12S18G37
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Will this wipe the memory?
Yes I found one and have been trying to get it together for a high schooler I had one when I took trig in college and it was very helpful
