Finding if a number is perfect square
125484
Fastest square number test
24820
Prove that if $n$ is a perfect square, then either $n \equiv 1 \pmod 4$, or $n \equiv 0 \pmod 4$.
86285
Given positive integers $ x , y$ and that $3x^2 + x = 4y^2 +y$ Prove that $x-y$ is a perfect square
142580
Prove that a perfect square is either a multiple of $4$ or of the form $4q+1$.
138548
For what pair of integers $(a,b)$ is $3^a + 7^b$ a perfect square.
80458
How to efficiently find the largest perfect square dividing a given large integer?
59782
Are there any $n$ for which $ n^4+n^3+n^2+n+1$ is a perfect square?
118538
Find all integers $x$ such that $x^2+3x+24$ is a perfect square.
27492
Testing if given number is integer
132848
Function to determine if two numbers are nearly equal when rounded to n significant decimal digits
107781
Detecting perfect squares faster than by extracting square root
28781
$k^{2}+(k+1)^{2}$ being a perfect square for infinitely many $k$
121036
Is there any perfect squares that are also binomial coefficients?
41641
$(n-7)(n+7)=$ some perfect square
154082
Product of factorials divided by factorial to produce perfect square
82462
Square Root Algorithm
9146
Proving that a list of perfect square numbers is complete