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[title] Back Case
-[* black] Use a Torx T-6 star-bit screwdriver to unscrew four 7.38 mm screws from the battery housing.
- [* black] Unscrew four 7.15mm screws from the back casing.
+[* black] Use a Torx T-6 star-bit screwdriver to unscrew the four 7.38 mm screws from the battery housing.
+ [* black] Unscrew the four 7.15mm screws from the back casing.
[* black] Use the blue plastic opener tool along the seam of the case to pry off the front casing.
[* icon_note] Pry from the bottom of the calculator as the case hooks into the top.