SquareRoot
Calculator for calculating the square root (sqrt function)
This function returns the square root of the specified argument (radicant). A non-negative real number must be specified as an argument.
Find the square root function for complex or negative numbers here
To perform the calculation, enter a non-negative real number, then click the 'Calculate' button.
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Definition of the square root
In general, there are two different numbers whose squares agree with the given number. For example \(\displaystyle (-3)^2=(-3)\cdot (-3)=9 \) gets the same result as \(\displaystyle 3^2=3\cdot 3=9 \).
When calculating with real numbers, only the square root of non-negative numbers can be taken. The result is always positive.
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