Pythagorean Theorem

Sum of four Squares

Euler's four-square identity

Solved QUADRA range's Four-Square Theorem) If n is a natural

SOLVED: 8.35 (Lagrange's Four-Square Theorem) If n is a natural number, it can be expressed as the sum of four squares. A lattice in 4-space is a set of the form (x,y,z,w)

Waring's Problem & Lagrange's Four-Square Theorem

Solved Lagrange's four square theorem says every natural

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

Lagrange and the four-square theorem - Archive ouverte HAL

Sum of squares, Part-2, Sum of four squares

MathType - Lagrange's four-square theorem states that every natural number can be represented as the sum of four integer squares. Proved by Joseph Louis #Lagrange in 1770, it can be regarded as