==See also==* Congruum* Diophantus II.VIII* Eisenstein triple* Euler brick* Heronian triangle* Hilbert's theorem 90* Integer triangle* Modular arithmetic* Nonhypotenuse number* Plimpton 322* Pythagorean prime* Pythagorean quadruple* Tangent half-angle formula* Trigonometric identity==Notes====References====External links==* Pythagorean Triples at cut-the-knot Interactive Applet showing unit circle relationships to Pythagorean Triples* The Trinary Tree(s) underlying Primitive Pythagorean Triples at cut-the-knot* Theoretical properties of the Pythagorean Triples and connections to geometry* Clifford Algebras and Euclid's Parameterization of Pythagorean triples* Pythagorean Triplets* Discussion of Properties of Pythagorean triples, Interactive Calculators, Puzzles and Problems* Generating Pythagorean Triples Using Arithmetic Progressions* Parameterization of Pythagorean Triples by a single triple of polynomials* Curious Consequences of a Miscopied Quadratic* Solutions to Quadratic Compatible Pairs in relation to Pythagorean Triples* The negative Pell equation and Pythagorean triples* The Remarkable Incircle of a Triangle* Interactive Calculator for Pythagorean Triples* Pythagorean Triples and the Unit Circle, chap.
* Тройка Эйзенштейна* Геронов треугольник* Теорема Гильберта 90* Сравнение по модулю* Plimpton 322* Пифагорова четвёрка* Тригонометрические тождества==Примечания====Ссылки==* arXiv* Pythagorean Triples at cut-the-knot Interactive Applet showing unit circle relationships to Pythagorean Triples* The Trinary Tree(s) underlying Primitive Pythagorean Triples at cut-the-knot* Theoretical properties of the Pythagorean Triples and connections to geometry* Clifford Algebras and Euclid's Parameterization of Pythagorean triples* Pythagorean Triplets* Discussion of Properties of Pythagorean triples, Interactive Calculators, Puzzles and Problems* Generating Pythagorean Triples Using Arithmetic Progressions* Parameterization of Pythagorean Triples by a single triple of polynomials* Curious Consequences of a Miscopied Quadratic* Solutions to Quadratic Compatible Pairs in relation to Pythagorean Triples* The negative Pell equation and Pythagorean triples* The Remarkable Incircle of a Triangle* Interactive Calculator for Pythagorean Triples* Pythagorean Triples and the Unit Circle, chap.