squarerootcalculator .pro

√ negative 1.81

Square Root Calculator

Please enter a real number, then press 'Calculate':

Square root result:

Sqrt(-1.81). Find the square root of -1.81 or any other real number, positive or negative. Here are the answers to questions like: √ negative 1.81 or what is the square root of -1.81?

What is square root? Definition of square root

A square root of a number 'x' is a number y such that y2 = x, in other words, a number y whose square is y. For example, 5 is the square root of 25 because 52 = 5•5 = 25, -5 is square root of 25 because (-5)2 = (-5)•(-5) = 25. When writing math, people often use sqrt(x) to mean the square root of x. Read more about square root here: Square Root - Wikipedia and here: Square Root - Wolfram

Square Symbol?

Here is the square root symbol. It is is denoted by √, known as the radical sign or radix.

Square root of values around -1.81

NumberSqrt
The square root of -0.81 is NaN
The square root of 0.19 is 0.436
The square root of 1.19 is 1.091
The square root of 2.19 is 1.480
The square root of 3.19 is 1.786
The square root of 4.19 is 2.047
The square root of 5.19 is 2.278
The square root of 6.19 is 2.488
The square root of 7.19 is 2.681
The square root of 8.19 is 2.862

Square root examples

√3.89√0.409√5.08√2.74