Math
Nth Root Calculator
Principal nth root of a positive number (square, cube, or general).
Free to use — no sign-up or login.
Root
Amortization schedule
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This free Nth Root Calculator covers Principal nth root of a positive number (square, cube, or general).
The principal root is exp((1/n) ln x) for x > 0. Related math tools sit beside How it works, with no account required.
Using the Nth Root Calculator
Principal nth root of a positive number (square, cube, or general). Typical inputs are x and Root n. How it works beside the form states the identity the Nth Root Calculator applies.
FAQ
How do I use the Nth Root Calculator?
Open the Nth Root Calculator, fill x and Root n, and read the result. The principal root is exp((1/n) ln x) for x > 0.
What formula does the Nth Root Calculator use?
The Nth Root Calculator uses the identity in How it works. In words: The principal root is exp((1/n) ln x) for x > 0.