FORTRAN Reference Manual
About This Manual
FORTRAN Reference Manual—528615-001
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Prerequisites
The Glossary provides definitions for terms used in the manual.
Although Section 7, Statements, Section 8, Intrinsic Functions, and Section 10, 
Compiler Directives, comprise the reference part of the manual, consult the other 
sections for further clarification and more complete examples.
Prerequisites
If you are unfamiliar with the FORTRAN programming language, any of the numerous 
tutorial texts currently available are recommended as supplemental reading. If you are 
unfamiliar with the TNS systems or the HP NonStop™ Kernel operating system, refer 
to the following HP manuals:
D Data Type Correspondence and 
Return Value Sizes
Lists the return value size generated by HP 
NonStop language compilers for each data 
type.
E Compiler Limits
Summarizes the limits of the FORTRAN 
compiler
F Compile-Time Diagnostic 
Messages
Lists the FORTRAN 77 compiler diagnostic 
messages that FORTRAN might report in the 
program listing.
G Run-Time Diagnostic Messages
Describes the features of FORTRAN 
statements and utility routines. Also, describes 
the format and content of the diagnostic 
messages.
H Hollerith Constants and Punch 
Card Codes
Describes Hollerith constants and punch card 
codes.
Manual Description
Introduction to Tandem NonStop 
Systems
Describes the application environment, architecture, 
and networking capabilities of NonStop systems and 
explains basic concepts, terms, and entities in the 
NonStop environment.
Introduction to D-Series Systems Provides an overview of D-series enhancements to 
the HP NonStop Kernel operating system.
Guardian Application Conversion 
Guide
Describes how to convert C, COBOL85, Pascal, TAL, 
and TACL applications to use the extended features of 
the NonStop Kernel.
Guardian User’s Guide Explains how to run program files and how to create 
keyed files using the File Utility Program (FUP).
Guardian Procedure Calls 
Reference Manual
Describes the syntax for Guardian procedure calls.
ENSCRIBE Programmer’s Guide Describes the Enscribe database record manager.
Table i. Summary of Contents  (page 2 of 2)
Section Title This section . . .










