Question about HP 32sII Calculator
Adjust contrast : Hold down [C] key and press [+] to increase contrast or [-] to decrease it.
Diagnostic tests (from the Users manual)
1. Hold down [C] key and press [LN]; may have to repeat several times.
2. Press and hold down [C] key and press and hold down both the square root key AND the Sigma + key. When all keys are released, MEMORY CLEAR is displayed.
3. Remove batteries and lightly press a coin against both battery contacts in the calculator. Iy should say MEMORY CLEAR.
If these steps fail to restore calculator operation, it requires service.
Hope it helps.
Posted on Sep 29, 2009
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Posted on Jan 02, 2017
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