It's the shifted function of the x^2 key, just to the left of the 7 key.To calculate the square root of 3, press 2nd [square-root] 3 ) ENTER
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It's the shifted function of the x^2 key, just to the left of the 7 key.
To calculate the square root of 3, press 2nd [square-root] 3 ) ENTER