Quaternion Hurwitz quaternion Quaternion algebra Quaternion group Split-quaternion Classical Hamiltonian quaternions Quaternions and spatial rotation Quaternion Eagle Quaternion-Kähler manifold Hyperbolic quaternion Dual quaternion Quaternion Society Conversion between quaternions and Euler angles Quaternion-Kähler symmetric space Quaternion estimator algorithm Quaternionic analysis Quaternion (disambiguation) Versor History of quaternions Applications of dual quaternions to 2D geometry Quaternion (poetry) Biquaternion Linked field Hurwitz quaternion order Quaternionic projective space Slerp Icosian Alexander McAulay Split-biquaternion Section (bookbinding) Cayley–Dickson con…

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re Lagrange's four-square theorem Versor (disambiguation) Rational motion Samuel Dickstein (mathematician) A History of Vector Analysis Eichler order 3-sphere Composition algebra Dedekind group Irving Stringham Rotation (mathematics) Root mean square deviation of atomic positions Trace field of a representation Dicyclic group Quaternionic polytope Aleksandr Kotelnikov Quaternionic representation William Rowan Hamilton Arthur Stafford Hathaway Arithmetic Fuchsian group Pilar Bayer Charles-Ange Laisant Eilenberg–Niven theorem Binary tetrahedral group Screw axis Brauer–Suzuki theorem Rotations in 4-dimensional Euclidean space Quaternionic manifold Bina