FORTRAN 77 Reference

Welcome to the FORTRAN 77 Reference. Although quite elderly as programming languages go, FORTRAN remains one of the pre-eminent 'number-crunching' computer programming languages. The links below describe some of the features of the FORTRAN 77 incarnation of this language.

Table of Contents

• Program Layout
• Data Types and Declarations
• Arrays
• Operations
• Initialisation
• Branching Control Structures
• Looping Control Structures
• Other Control Structures
• Statement Functions
• External Functions and Subroutines
• Intrinsic Functions
• COMMON Blocks, BLOCK DATA and EQUIVALENCE
• Input/Output
• FORMAT Descriptors
• Nonstandard Statements
• Compiling and Linking
• The History of FORTRAN
• Index

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