Cube Root Formula:
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The cube root of a number is a value that, when multiplied by itself three times, gives the original number. For any real number x, the cube root y satisfies the equation y³ = x.
The calculator uses the cube root formula:
Where:
Explanation: The calculation is performed using exponentiation with 1/3 as the exponent, which is mathematically equivalent to finding the cube root.
Details: Cube roots are used in various fields including geometry (calculating side lengths of cubes), physics (inverse cube law), engineering, and computer graphics.
Tips: Enter any real number (positive, negative or zero) to calculate its cube root. The result will be a real number with up to 4 decimal places.
Q1: Can you find cube roots of negative numbers?
A: Yes, unlike square roots, cube roots of negative numbers are real numbers. For example, the cube root of -8 is -2.
Q2: What's the difference between cube root and square root?
A: Square root finds what number multiplied by itself equals the original, while cube root finds what number multiplied by itself three times equals the original.
Q3: Are there cube roots for complex numbers?
A: Yes, every non-zero complex number has three distinct cube roots, but this calculator only returns the principal real root.
Q4: How precise is the calculation?
A: The calculator provides results accurate to 4 decimal places.
Q5: What's the cube root of zero?
A: The cube root of zero is zero (0³ = 0).