Square Root Calculator

Here is the answer to questions like: 68.6 square root | √68.6 or what is the square root of 68.6?

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 68.6 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, 8 is the square root of 64 because 82 = 8•8 = 64, -8 is square root of 64 because (-8)2 = (-8)•(-8) = 64.

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 -10.24
  • Square root of -8.0656
  • Square root of 7.1289
  • Square root of -7.4529
  • Square root of -7.6176
  • Square root of 8.4681
  • Square root of -10.3684
  • Square root of 7.1289
  • Square root of 9

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