Fortran77 - Fortran Tutorial Hsiu-Pin Chen September 5th...

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Fortran Tutorial Hsiu-Pin Chen September, 5 th , 2007 MASC 575 - Basics of atomistic simulation of materials
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Concepts Program : to provide the computer a set of working instructions and make it perform certain tasks in a desired way. Programming language : Human-readable language that can be translated into machine- readable language through its own inherent compiler. Such as C, C++, Fortran.
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Programming Language They have fixed rules such as syntax and formats. These rules have to be followed exactly or the program will generate undesired results. They are necessary for communication between human and computer.
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Interface between human and computers Human can understand programming language, while computers can only understand machine codes. They are not cross-readable. Compiler does the translation job between two languages.
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Column position rules Col. 7 - 72 : codes. Col. 1 : comment symbol Col. 1 - 5 : statement label Col. 6 : continuation
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Case Insensitivity Fortran is case insensitive .
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