Pythagorean Theorem

Lagrange's four-square theorem - Wikipedia

PDF) Lagrange's Four-Square Theorem

PDF) Two refinements of Lagrange's four-square theorem

Table 3 from Extended Lagrange's four-square theorem

Euler's four-square identity

Triangle with Squares 6: Four squares. Level: High School, SAT Prep, College geometry Antonio Gutierrez

PDF) A Simple Proof of Jacobi's Four-Square Theorem

GitHub - HechenHu/Four-Square_Representation: Using Rabin and Shallit's Algorithm to compute the four-square representation of a natural number as stated in Lagrange's Four-square Theorem.

Stable/Patient Sort: Bit-Manipulation-To-Solve-Problems-Easily-And-Efficiently, PDF, Square Root

PPT - Combinatorial Geometry PowerPoint Presentation, free download - ID:4886808