Contents

• What Is Fortran?
  • Early Development
  • Standardization
  • Strengths and Weaknesses
  • Precautions
• Basic Fortran Concepts
  • Statements
  • Expressions and Assignments
  • Integer and Real Data Types
  • DO Loops
  • Formatted Output
  • Functions
  • IF-blocks
  • Arrays
• Fortran in Practice
  • The Fortran System
  • Creating the Source Code
  • Compiling
  • Linking
  • Program Development
• Program Structure and Layout
  • The Fortran Character Set
  • Statements and Lines
  • Program Units
  • Statement Types and Order
  • Symbolic Names
  • PROGRAM Statement
  • END Statement
• Constants, Variables, and Arrays
  • Data Types
  • Constants
  • Specifying Data Type
  • Named Constants
  • Variables
  • Arrays
• Arithmetic
  • Arithmetic Expressions
  • Arithmetic Intrinsic Functions
  • Arithmetic Assignment Statements
• Character Handling and Logic
  • Character Facilities
  • Character Substrings
  • Character Expressions
  • Character Assignment Statements
  • Character Intrinsic Functions
  • Relational Expressions
  • Logical Expressions
  • Logical Assignment Statements
• Control Statements
  • Control Structures
  • IF-Blocks
  • DO-Loops
  • Logical-IF Statement
  • Unconditional GO TO Statement
  • Computed GO TO Statement
  • STOP Statement
• Procedures
  • Intrinsic Functions
  • Statement Functions
  • External Procedures
  • Arguments of External Procedures
  • Variables as Dummy Arguments
  • Arrays as Arguments
  • Procedures as Arguments
  • Subroutine and Call Statements
  • RETURN Statement
  • FUNCTION Statement
  • SAVE Statement
  • EXTERNAL and INTRINSIC Statements
• Input/Output Facilities
  • Files, I/O Units, and Records
  • External Files
  • Internal Files
  • Pre-Connected Files
  • Error and End-Of-File Conditions
  • Format Specifications
  • Format Edit Descriptors
  • Format Data Descriptors A, E, F, G, I, L
  • Format Control Descriptors
  • List-Directed Formatting
  • Carriage-Control and Printing
  • Input/Output Statements and Keywords
  • OPEN Statement
  • CLOSE Statement
  • INQUIRE Statement
  • READ and WRITE Statements
  • REWIND and BACKSPACE Statements
• DATA Statement
  • Defined and Undefined Values
  • Initialising Variables
  • Initialising Arrays
  • DATA Statements in Procedures
  • General Rules
• Common Blocks
  • Using Common Blocks
  • Blank Common Blocks
  • COMMON Statement
  • BLOCK DATA Program Units
• Obsolete and Deprecated Features
  • Storage of Character Strings in Non-character Items
  • Arithmetic IF Statement
  • ASSIGN and assigned GO TO Statements
  • PAUSE Statement
  • Alternate RETURN
  • ENTRY Statement
  • EQUIVALENCE Statement
  • Specific Names of Intrinsic Functions
  • PRINT Statement and simplified READ
  • END FILE Statement
  • Obsolete Format Descriptors
• Appendix A - List of Intrinsic Functions
• Appendix B - Specific Names of Generic Functions
• Index
• About this document ...