Apollo Computer used Pascal as the systems programming language for its operating systems beginning in 1980. Variants of Pascal have also frequently been used f

Apollo Computer used Pascal as the systems programming language for its operating systems beginning in 1980. Variants of Pascal have also frequently been used for everything from research projects to PC games and embedded systems. https://en.wikipedia.org/wiki/Pascal_(programming_language) https://en.wikipedia.org/wiki/Pascal_(programming_language)