Dyalog APL <language> Arguably the current (2001) market-leading implementation of {APL}, from {Dyalog Limited}. Dyalog APL runs under {Windows 95}, {Windows 98}, {Windows NT}, and {Windows 2000}; and several popular {UNIX} systems including {Linux}. Dyalog APL complies with {ISO 8485} and has many features that make it good for complex {GUI} applications. Dyalog APL was introduced in 1983 and is currently (2002) in active development. (2003-11-17)