Square root of number: concept problem
3955
Square roots -- positive and negative
53958
General misconception about $\sqrt x$
21361
c++ practical computational complexity of  SQRT()
18911
Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)
134377
The minimum number of digits after the floating-point, which uniquely identify every irrational square root
144042
On the functional square root of $x^2+1$
54030
Square and square root and negative numbers
83119
Compass-and-straightedge construction of the square root of a given line?
33184
Something strange about $\sqrt{ 4+ \sqrt{ 4 + \sqrt{ 4-x}}}=x$ and its friends
81267
A simple doubt in number theory problem.
7898
Finding square root without using sqrt function?
61324
Finding the "square root" of a permutation
50041
Significance of $\sqrt[n]{a^n} $?!
91101
Proving $\sqrt2$ is irrational
91560
Square Fibonacci numbers
71044
Can the square root of a real number be negative?
4031
What is the solution to the following recurrence relation with square root: $T(n)=T (\sqrt{n}) + 1$?