Pythagorean triples for a given hypotenuse
56196
Generating all Pythagorean triplets for given Hypotenuse
45775
In a $\triangle ABC,$ Evaluation of minimum value of $\cot^2 A+\cot^2 B+\cot^2 C$
53503
Solving the diophantine equation $y^{2}=x^{3}-2$
139474
Solving system of Congruences with Two Variables (x and y)
108035
solving diophantine equations using congruences
8784
modulo version of the quadratic formula and Euler's criterion
130851
Squaring the plane, with consecutive integer squares. And a related arrangement
131168
Minimizing $\cot^2 A +\cot^2 B + \cot^2 C$ for $A+B+C=\pi$
35714
Adjoint pairs, triplets and quadruplets
111443
Optimization of $2x+3y+z$ under the constraint $x^2+ y^2+ z^2= 1$
40952
Showing that sum of angles of hyperbolic triangle is strictly less than $\pi$
53152
Find a circle's radius with three known tangent lines
7500
$\arctan$ of a square root as a rational multiple of $\pi$
94327
Cubic Diophantine with two variables
126040
Geometric explanation of $\sqrt 2 + \sqrt 3 \approx \pi$
60596
Euclidean Algorithm for GCD of polynomials
132070
A challenge on the parabola