A lecture course in geometric algebra delivered at a summer school in Banff, Canada, 1996.

A. N. Lasenby, C. J. L. Doran and S. F. Gull, **Lectures in Geometric Algebra, **In W. E. Baylis, editor, *Clifford (Geometric) Algebras with Applications to Physics, Mathematics and Engineering*. (Birkhäuser Boston, 1996)