Part I: Number Systems
Chapter 2: The Geometry of the Complex Numbers
Chapter 3: The Geometry of the Quaternions
Part II: Symmetry Groups
Chapter 6: Some Orthogonal Groups
Chapter 7: Some Unitary Groups
Chapter 8: Some Symplectic Groups
Chapter 11: The Exceptional Groups
Part III: Applications
Chapter 12: Division Algebras in Mathematics
Chapter 13: Octonionic Eigenvalue Problems
