Smalltalk language (today labeled -71) was very influenced by FLEX(英语:Flex (programminglanguage)), PLANNER(英语:Planner (programminglanguage)), LOGO, META
(原始内容存档于2021-04-28). Pure Functions in APL and J How to use tacit programming in any APL-like language Closed applicative languages 1971 - 1976 ff (页面存档备份,存于互联网档案馆)