Calculate square roots, cube roots and nth roots of any number. Also find the square, cube and nth power of any number with full decimal precision.
Enter the number and the root degree (n). Leave n as 2 for square root, 3 for cube root.
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The value that when multiplied by itself gives the original number. Square root of 25 is 5 because 5x5=25.
An integer that is the square of another integer: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100.
Use estimation and refinement. For root of 50: 7 squared = 49, 7.07 squared = 49.98.
The value that multiplied by itself three times gives the original. Cube root of 27 is 3.
An nth root of x is r such that r to the power of n equals x. The 4th root of 81 is 3.
Squaring any real number gives a positive result. Square root of -1 is imaginary (i).
Find the largest perfect square factor. Root of 48 = root of (16x3) = 4 x root of 3.
Approximately 1.41421356... It is irrational — its decimal expansion never terminates.