Modular Programming with Fortran 90
The goal of this Fortran 90 tutorial is to give a quick introduction to the key differences between Fortran 77 and Fortran 90. Topics covered includes: Main Features of Fortran 90, How to use Fortran 90 on the Unix computers, Basic program structure, Logical expressions, Loops, Arrays, Subprograms, Modules, Derived data types, features of Fortran 90.
Author(s): Paul H. Hargrove and Sarah T. Whitlock, Stanford University
NA Pages 
Introduction to Fortran by David Apsley
This PDF covers the following topics related to Fortran : Fortran Background, Creating and Compiling Fortran Code, A Simple Program, Basic Elements of Fortran, Repetition: do and do while, Decision-Making: if and select, Arrays, Text Handling, Functions and Subroutines, Input and Output, Modules.
Author(s): David Apsley
46 Pages
Brief Introduction to the Fortran 90 programming language
This note explains Variable type and declarations, Program control constructs, Procedures and program structure, Intrinsic procedures, External files and output formatting, Allocatable, assumed shape and automatic arrays.
Author(s): Anders W Sandvik, Boston University
33 Pages
Introduction to Fortran and UNIX
This note covers introduction, UNIX commands, How to get started, Fortan structure, Declarations, Opening files, Reading data, If statement, Array, Do loop, Format, Subprograms, Nag routine, Compiling run and linking and debugging.
Author(s): Torunn Lilleeng
40 Pages
This note explains the following topics: Basic syntax, Repetition, Arrays, Character handling, Functions and subroutines, Advanced input or output, User-defined types, Interfaces, Generic functions, User-defined operators, Advanced procedures, Advanced arrays and characters, Pointers, Data structures, Object-oriented Fortran.
Author(s): David Apsley
NA Pages
This is an overview of Fortran 95 language features. Topics covered includes: Language elements, Intrinsic data types, Expressions and assignments, Control statements, Program units and procedures, Array handling, Pointers, Intrinsic procedures, Data transfer and Operations on external files.
Author(s): Wikipedia.org
NA Pages
Fortran from its development was intended for translating scientific equations into computer code. Topics covered includes: A very brief history of Fortran, Coding in UNIX, Compiling in UNIX, Fortran 90 v. FORTRAN 77, Basic Fortran, Program Format, Data Types, Declaration, and Parameterization, Operations and Logical Expressions, Precision, Intrinsic Functions, Input, Output and Format Descriptors, Control Structure, Subroutines, External Functions, and Modules, Arrays, Derived Data Types.
Author(s): Pradeep P. Bhat, Rice University
NA Pages
