2nd root (2√_) calculator online (square root of a number)

Enter the number under the root (2√ ___):

The result of extracting the root of the 2nd power of the number:


How to extract the 2nd root of a number?

The 2nd root is denoted by the sign – 2

2√y = x (root 2 of y, equals x)

x2 = y (in turn, when raising x to the 2nd power, we get the required number y)