Exponents and Roots Calculator
Calculate powers and nth roots with negative or fractional exponents and real-domain validation.
How to use the tool
Enter the requested values and choose a mode or operation when needed. Fields start empty so results always reflect your own data.
2⁻³=0.125 and the cube root of −8 is −2.
Formula and method
In the real domain, an even-index root cannot have a negative radicand.
aⁿ · ⁿ√a = a^(1/n)
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