Find square, cube, or nth roots easily.
The nth root of x is x^(1/n); the square root is x^(1/2) and the cube root is x^(1/3).
The square root of 144 is 12; the cube root of 27 is 3.
Square, cube, and general nth roots of any positive number.
Odd roots of negative numbers are defined (e.g., cube root of −8 is −2), but even roots of negatives are not real.
Results are computed to standard floating-point precision and rounded for display.