How to use the Root Calculator
The root calculator finds the nth root of a number.
What you need to enter
- Number
- Root (n)
The formula
nth root of x = x^(1 ÷ n). The square root is n = 2.
Worked example
Using the default values in the calculator:
- Number: 64
- Root (n): 3
| Root | 4 |
| Square root | 8 |
Tips for better results
- Even roots of negatives are not real.
- Cube roots of negatives are.
Common mistakes to avoid
- Confusing roots and powers.
- Entering n = 0.