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Tool to compute a cube root. The cube root for a number N, is the number that, multiplied by itself than again by itself, equals N.

Answers to Questions

How to calculate a cube root?

Calculating a cubic root is not simple to do by hand.

dCode software allows positive of negative numbers (complex roots) and answers an exact value or an approximate one (the precision can be adjusted by defining the precision: a minimum number of significant digits)

What is a cubic number?

A cubic number is the cube of an integer.

Example: 2 is an integer, 2^3 = 2*2*2 = 8 then 8 is a square number.

If the cube root of a number x is an integer, then x is a cubic number.

The first perfect cubes are :

1^3

1

2^3

8

3^3

27

4^3

64

5^3

125

6^3

216

7^3

343

8^3

512

9^3

729

10^3

1000

What does cbrt mean?

In some software, cbrt stands for cube root.

Example: cbrt(8)=2

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Source code

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