...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 ...
...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 ...
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