- 2ND + x2 (√¯¯)
- 2ND + × (√¯¯)
- The above equation would give you an answer of 9, because 9×9=81. It would not return -9, since that is the negative square root of 81.
- As long as the mode is not Real, this will return 3i. -3i counts as a negative square root, and will not be returned.