A program used for heavy duty algebraic computation in many branches of mathematics.Magma, developed by John Cannon and associates at the University of Sydney, succeeded Cayley.It runs at several hundred sites.E-mail: .Start .[W. Bosma, J. Cannon and C. Playoust, The Magma algebra system I: The user language, J. Symb. Comp., 24, 3/4, 1997, 235-265].(2000-12-21)