Where's the square root and perfect square buttons on my calculator? Here's my kind: http://di1-1.shoppingshadow.com/images/pi/8f/48/71/20659819-260x260-0-0_Texas+Instruments+TI+34II+Explorer+Plus.jpg. Thanks
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Press "2nd" and then the button that says x squared. It's fourth from the bottom in the leftmost column.
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It's the "2nd function" of the "x^2" button. Hit the "2nd" button, then the "x^2" button, first column, 6th down.