A derivative of ALGOL 60. It introduced {double precision}, {complex numbers}, bit strings and dynamic data structures. It is parsed entirely by operator precedence and used the call-by-value-result calling convention. ["A Contribution to the Development of Algol", N. Wirth, CACM 9(6):413-431, June 1966]. ["ALGOL W Implementation", H. Bauer et al, TR CS98, Stanford U, 1968]. (1994-11-24)
