| - | [* black] Unscrew four 7.38mm screws from battery housing using a T-6 star-bit from the 28-bit driver kit. |
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| - | [* black] Unscrew four 7.15mm screws from battery housing using a T-6 star-bit from the 28-bit driver kit. |
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| - | [* black] Pry off back casing from front casing using using blue spudger along the seam of the case start on the bottom as the case hooks into the top. |
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| + | [* red] Using a Torx, T-6 star-bit screwdriver unscrew four 7.38 mm from battery housing. |
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| + | [* red] Unscrew four 7.15mm screws from back casing. |
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| + | [* black] Using the blue plastic opener tool, pry off from front casing along the seam of the case. |
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| + | [* icon_note] Start prying from the bottom of the calculator, as the case hooks into the top. |
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