Square Root Calculator

Here is the answer to questions like: What is the square root of 82? | √82 or what is the square root of 82?

Use the square root calculator below to find the square root of any imaginary or real number. See also in this web page a Square Root Table from 1 to 100 as well as the Babylonian Method or Hero's Method.

The Babylonian Method also known as Hero's Method

See below how to calculate the square root of 82 step-by-step using the Babylonian Method also known as Hero's Method.

What is square root?

Definition of square root

A square root of a number 'a' is a number x such that x2 = a, in other words, a number x whose square is a. For example, 9 is the square root of 81 because 92 = 9•9 = 81, -9 is square root of 81 because (-9)2 = (-9)•(-9) = 81.

Square Root Table 1-100

Square roots from 1 to 100 rounded to the nearest thousandth.

References:

  • [1]Babylonian method (Wikipedia)
  • [2]Manually calculate the square root of a number with Javascript

Sample Square Roots

  • Square root of -7.2361
  • Square root of -9
  • Square root of 9.7969
  • Square root of 10.3684
  • Square root of -9.6721
  • Square root of 9.5481
  • Square root of 7.4529
  • Square root of 7.2361
  • Square root of 9.2416

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