15.5 square root? | √15.5

Square Root Calculator

Here is the answer to questions like: 15.5 square root? | √15.5 or what is the square root of 15.5?

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 15.5 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, 3 is the square root of 9 because 32 = 3•3 = 9, -3 is square root of 9 because (-3)2 = (-3)•(-3) = 9.

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 -9.9225
  • Square root of -8.5849
  • Square root of 7.7841
  • Square root of 7.1824
  • Square root of -8.41
  • Square root of 8.1796
  • Square root of 7.84
  • Square root of 8.41
  • Square root of -8.41

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