Many companies run on SAP R/3 ABAP (1983) code or even still SAP R/2 ASM code. T... | Hacker News

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		frik on June 12, 2015 \| parent \| context \| favorite \| on: 1980s computer controls Grand Rapids Public School... Many companies run on SAP R/3 ABAP (1983) code or even still SAP R/2 ASM code. The ABAP code syntax is somewhat similar to COBOL: https://en.wikipedia.org/wiki/ABAP . And many banks still use PL/1 (1964) or COBOL (1959): https://en.wikipedia.org/wiki/PL/I and https://en.wikipedia.org/wiki/COBOL . And Fortran (1957) has still the best optimized compilers, surpassing often even C compilers: https://en.wikipedia.org/wiki/Fortran

_JamesA_ on June 12, 2015 [–]

Don't forget about RPG/II/III/IV/LE/... [1][2].

[1]: https://en.wikipedia.org/wiki/IBM_RPG

[2]: https://stackoverflow.com/questions/tagged/ibm-midrange

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