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)