Fortran (ˈfɔrtræn; formerly FORTRAN) is a general-purpose, compiled imperative programming language that is especially suited to numeric computation and scientific computing.
Fortran was originally developed by IBM in the 1950s for scientific and engineering applications, and subsequently came to dominate scientific computing. It has been in use for over seven decades in computationally intensive areas such as numerical weather prediction, finite element analysis, computational fluid dynamics, geophysics, computational physics, crystallography and computational chemistry. It is a popular language for high-performance computing and is used for programs that benchmark and rank the world's fastest supercomputers.
Fortran's design was the basis for many other programming languages, especially BASIC and ALGOL. But Fortran has itself evolved through numerous versions and dialects, adding extensions while largely retaining compatibility with preceding versions. Successive versions have added support for structured programming and processing of character-based data (FORTRAN 77), array programming, modular programming and generic programming (Fortran 90), High Performance Fortran (Fortran 95), object-oriented programming (Fortran 2003), concurrent programming (Fortran 2008), and native parallel computing capabilities (Coarray Fortran 2008/2018).
Since August 2021, Fortran has ranked among the top fifteen languages in the TIOBE index, a measure of the popularity of programming languages.
The first manual for FORTRAN describes it as a Formula Translating System, and printed the name with small caps, FORTRAN. Other sources suggest the name stands for Formula Translator, or Formula Translation. Early IBM computers did not support lower case letters and the names of versions of the language through FORTRAN 77 were usually spelled in all-uppercase (FORTRAN 77 was the last version in which the Fortran character set included only uppercase letters). The official language standards for Fortran have referred to the language as "Fortran" with initial caps since Fortran 90.
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Fortran (ˈfɔrtræn; formerly FORTRAN) is a general-purpose, compiled imperative programming language that is especially suited to numeric computation and scientific computing. Fortran was originally developed by IBM in the 1950s for scientific and engineering applications, and subsequently came to dominate scientific computing. It has been in use for over seven decades in computationally intensive areas such as numerical weather prediction, finite element analysis, computational fluid dynamics, geophysics, computational physics, crystallography and computational chemistry.
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