What Does F77 Stand For?

F77 stands for FORTRAN77

F77, short for FORTRAN77, refers to the 1977 revision of the FORTRAN programming language, one of the earliest high-level programming languages. It introduced structured programming features, improved array handling, and enhanced input/output capabilities. F77 is widely used in scientific computing and engineering applications due to its efficiency in numerical computation and its extensive libraries. The language remains influential, with many legacy systems and applications still based on it.