Index

%DESCR function
Built-In Functions

%LOC function
Built-In Functions

%REF function
Built-In Functions

%VAL function
Built-In Functions

&space
Symbolic Names
Arithmetic Relational Expressions
Typographical Conventions
Interpretation of Arithmetic Expressions

– subtraction operator
Arithmetic Operators

–backslash compiler option
Escape Sequences

–col120 compiler option
Fixed Format
$COL120 Option

–col72 compiler option
Fixed Format
$COL72 Option

–extend_source compiler option
Fixed Format

–i2 compiler option
$INT2 Option
Rules for Use

–NC compiler option
Continuation Lines

–noextend_source compiler option
Fixed Format

–old_rl compiler option
Direct Access

–onetrip compiler option
$F66DO Option
Method of Operation
in DO statement
Method of Operation

–u command line option
Rules for Use
Syntax 3

–vms_endfile compiler option
Endfile Records
effect on ENDFILE statement
Method of Operation

* multiplication operator
Arithmetic Operators

+ addition operator
Arithmetic Operators

A edit descriptor
A Edit Descriptor

ACCEPT statement
ACCEPT

access methods
Methods of File Access

actual arguments
Arguments

adjustable array declarator
Array Declarators

aggregate
assignment statements
Aggregate Assignment
Aggregate Assignment Statement
reference
definition
Record and Field References

alphabetic characters
Fortran Character Set

alphanumeric characters
Fortran Character Set

ampersand
in continuation line
Continuation Lines

.AND. logical operator
Logical Operators
Logical Term

arguments
actual
Arguments

arithmetic assignment statements
Arithmetic Assignment Statements

arithmetic constants
Arithmetic Constants

arithmetic data types
Data Types

arithmetic expressions
Arithmetic Expressions
evaluation rules
Evaluating Arithmetic Expressions
forms of
Arithmetic Operands
relational
Arithmetic Relational Expressions

arithmetic IF
IF (Arithmetic)

arithmetic operands
Arithmetic Operands

arithmetic operators
list of
Arithmetic Operators
precedence
Interpretation of Arithmetic Expressions

array declarators
Array Declarators
adjustable
Array Declarators
assumed-size
Array Declarators
constant
Array Declarators

array element name reference
in dimension bound expression
Array Declarators

arrays
Arrays
multidimensional
Rules for Use
subscript
values
Subscripts
subscripts
Subscripts
expressions
Subscripts

ASSIGN statement
ASSIGN

assignment statements
aggregate
Aggregate Assignment
Aggregate Assignment Statement
character
Character Assignment
conversion rules
Arithmetic Assignment Statements
definition
Assignment and Data Statements
logical
Logical Assignment Statements
statement label
ASSIGN
types of
Executable Statements

ASSOCIATEVARIABLE specifier
and OPEN
Syntax

assumed-size array declarator
Array Declarators

asterisk
used as format identifier
Format Specification

automatic compiler option
Restrictions
Rules for Use
Referencing Functions and Subroutines

AUTOMATIC statement
AUTOMATIC, STATIC

auxiliary I/O statements
list of
Statement Summary

BACKSPACE statement
BACKSPACE

basic real constant
Real Constants

bit constants
Bit Constants

blank characters
Blank Characters

blank common storage
Method of Operation

BLOCK DATA statement
BLOCK DATA

BN edit descriptor
BN Edit Descriptor

branch logical IF
IF (Branch Logical)

BYTE type statement
Syntax

BZ edit descriptor
BZ Edit Descriptor

CALL statement
CALL

carriage control
and INQUIRE statement
Syntax
and OPEN statement
Syntax

carriage control
Carriage Control

" character
Character Constants

character
assignment statements
Character Assignment
constants
Character Constants
data type statements
Character Data Types
file format
decoding
DECODE

character edit descriptor
Character Edit Descriptor

character expressions
Character Expressions
definition
Character Operands
relational
Character Relational Expressions

character operand
Character Operands

character primary
Character Operands

character set
Fortran Character Set

character substrings
Character Substrings

characters
blank
Blank Characters
special
Special Characters:

cilist
definition
Control Information List — cilist

CLOSE statement
Disconnection of a Unit
CLOSE

collating sequence
Collating Sequence
Character Relational Expressions

colon descriptor
Colon Descriptor

comment lines
Comments

COMMON blocks
COMMON

common storage
Method of Operation
blank
Method of Operation
named
Method of Operation

compiler options
Compiler Options
–backslash
Escape Sequences
–col120
Fixed Format
–col72
Fixed Format
–extend_source
Fixed Format
–NC
Continuation Lines
–noextend_source
Fixed Format
–u
Syntax 3

complex
constants
Complex Constants
data editing
Complex Data Editing
type statements
Syntax

computed GO TO statement
GO TO (Computed)

concatenation operator
Concatenate Operator

connected unit
Connection of a Unit

constant
integer
Integer Constants
optionally signed
Arithmetic Constants

constant array declarator
Array Declarators

constant expressions
arithmetic
Arithmetic Constant Expressions
character
Character Constant Expressions
integer
Integer Constant Expressions

constants
Constants
arithmetic
Arithmetic Constants
basic real
Real Constants
character
Character Constants
complex
Complex Constants
hexadecimal integer
Hexadecimal Integer Constants
logical
Logical Constants
octal integer
Octal Integer Constants
optionally signed
Constants
real
Double-Precision Constants
Real Constants
signed
Constants

continuation lines
Continuation Lines
changing maximum
Continuation Lines

CONTINUE statement
CONTINUE

control
transfer of
Execution Sequence

control characters
Escape Sequences

control information list
definition
Control Information List — cilist

control statements
Control Statements
Executable Statements
list of
Control Statements

conversion rules
for assignment statements
Arithmetic Assignment Statements

current record
Files

D field descriptor
D Field Descriptor

data initialization
Data Initialization

DATA statement
DATA
and implied-DO
Method of Operation

data transfer rules
Data Transfer Rules

data transfer statements
list of
Statement Summary

data type keywords
synonyms
Syntax

data type statements
Data Type Statements

data types
Data Types
Data Types of Symbolic Names
arithmetic
Data Types
implicit
Data Types

data typing
implicit
Syntax 3

declarations
substructure
Substructure Declarations
typed data
Typed Data Declarations (Variables or Arrays)

declarators
array
Array Declarators

DECODE statement
DECODE

DECODE statement
Syntax: List-Directed

DEFAULTFILE specifier
and OPEN
Syntax

DEFINE FILE statement
DEFINE FILE

DELETE statement
DELETE

descriptor parameters
default
Default Field Descriptor Parameters

descriptors
edit
Field and Edit Descriptors
field
Field and Edit Descriptors
list of
Format Specifier Usage
non-repeatable
Descriptors
repeatable
Descriptors

dimension bounds
Value of Dimension Bounds

DIMENSION statement
DIMENSION

dimension-bound expression
Array Declarators

direct access
READ statement
READ (Direct Access)
to files
Direct Access
WRITE statement
WRITE (Direct Access)

disconnecting a unit
Disconnection of a Unit

division
integer
Integer Division

/ division operator
Arithmetic Operators

DO statement
DO
effect of –onetrip option
Method of Operation
implied
Implied-DO Lists

DO WHILE statement
DO WHILE

DO-loop
activating
Method of Operation

DOUBLE COMPLEX
Rules for Use

DOUBLE PRECISION
Syntax

double-precision
constants
Double-Precision Constants

dummy arguments
Arguments

E field descriptor
E Field Descriptor

$ edit descriptor
$ Edit Descriptor

edit descriptors
Field and Edit Descriptors
$
$ Edit Descriptor
A
A Edit Descriptor
BN
BN Edit Descriptor
BZ
BZ Edit Descriptor
for characters
Character Edit Descriptor
L
L Edit Descriptor
list of
Format Specifier Usage
non-repeatable
Descriptors
P
P Edit Descriptor
Q
Q Edit Descriptor
S
S Edit Descriptor
SP
SP Edit Descriptor
SS
SS Edit Descriptor
T
T Edit Descriptor
TL
TL Edit Descriptor
TR
TR Edit Descriptor
X
X Edit Descriptor

ELSE block
Method of Operation

ELSE IF block
Method of Operation

ELSE IF statement
ELSE IF

ELSE statement
ELSE

ENCODE statement
ENCODE

END DO statement
END DO

END IF statement
END IF

END statement
End-of-File Specifier — END
Program Units
END

end-of-file specifier
End-of-File Specifier — END

endfile record
Endfile Records

ENDFILE statement
Endfile Records
ENDFILE

ENTRY statement
ENTRY
Order of Statements

.EQ. relational operator
Relational Operators

EQUIVALENCE statement
EQUIVALENCE

.EQV. logical operator
Logical Operators
Logical Expression

ERR specifier
Error Specifier — ERR
and CLOSE
Syntax
and DELETE
Syntax
and ENDFILE
Syntax
and INQUIRE
Syntax
and OPEN
Syntax

error
return label
Error Specifier — ERR
specifier
Error Specifier — ERR

escape sequences
Escape Sequences

evaluating arithmetic expressions
Evaluating Arithmetic Expressions

executable program
Executable Programs

executable statement
Executable Statements
Executable Statements

executing functions
Executing Functions and Subroutines

executing subroutines
Executing Functions and Subroutines

execution sequence
Execution Sequence

EXIST specifier
and INQUIRE
Syntax

exponent
real
Real Constants

exponentiation
Exponentiation

expressions
arithmetic
Arithmetic Expressions
interpreting
Interpretation of Arithmetic Expressions
arithmetic constant
Arithmetic Constant Expressions
arithmetic relational
Arithmetic Relational Expressions
character
Character Expressions
character constant
Character Constant Expressions
character relational
Character Relational Expressions
evaluating
rules for
Evaluating Expressions in General
integer constant
Integer Constant Expressions
logical
Logical Expressions
interpreting
Interpretation of Logical Expressions
parenthenses in
interpreting
Integrity of Parentheses and Interpretation Rules
relational
Relational Expressions

extended alphabetic characters
Fortran Character Set

external files
External Files

external procedure
Subprograms

EXTERNAL statement
EXTERNAL

F field descriptor
F Field Descriptor

$F66DO option
$F66DO Option

factor
definition
Arithmetic Operands

.FALSE. relational operator
Relational Expressions

field descriptors
Field and Edit Descriptors
D
D Field Descriptor
default parameters
Default Field Descriptor Parameters
E
E Field Descriptor
F
F Field Descriptor
G
G Field Descriptor
H
H Field Descriptor
I
I Field Descriptor
list of
Format Specifier Usage
numeric
Numeric Field Descriptors
O
O Field Descriptor
Z
Z Field Descriptor

file
access methods
Methods of File Access
defining size and structure
DEFINE FILE
definition
Files
external
External Files
internal
Internal Files
specifying status
Syntax

file access
direct
Direct Access
keyed
Keyed Access
sequential
Sequential Access

file positioning statements
list of
Statement Summary

FIND statement
FIND

fixed format
Fixed Format

FMT specifier
Format Specifier — FMT

form feed character
Escape Sequences

FORM specifier
and INQUIRE
Syntax

format
changing with options
Fixed Format
interaction with input/output list
Interaction Between I/O List and Format
list-directed
List-Directed Formatting
TAB character
TAB Character Formatting

format control
Interaction Between I/O List and Format

format expressions
variable
Variable Format Expressions

format specification
Format Specification

format specifier usage
Format Specifier Usage

FORMAT statement
Format Specification
FORMAT Statement
general usage
General Rules for Using FORMAT

formatted
I/O statements
Formatted Statements
Formatted Input/Output
records
Formatted Records

FORMATTED specifier
and INQUIRE
Syntax

formatted WRITE statement
Formatted WRITE (Sequential)

function
executing
Executing Functions and Subroutines
intrinsic
Intrinsic Functions
Referencing an Intrinsic Function
list of
List of Functions
names
Generic and Specific Names
referencing
Referencing Functions and Subroutines
in dimension-bound expression
Array Declarators
statement
Statement Functions
subprogram
Function and Subroutine Subprograms

FUNCTION statement
FUNCTION

G field descriptor
G Field Descriptor

.GE. relational operator
Relational Operators

generic function names
Generic and Specific Names

GO TO statement
computed
GO TO (Computed)
symbolic name
GO TO (Symbolic Name)
unconditional
GO TO (Unconditional)

.GT. relational operator
Relational Operators

H field descriptor
H Field Descriptor

hexadecimal constants
Hexadecimal Integer Constants

Hollerith constants
Hollerith Constants
using in DATA statements
Method of Operation

I field descriptor
I Field Descriptor

I/O statements
Statement Summary
formatted
Formatted Statements
list-directed
List-Directed Statements
unformatted
Unformatted Statements

I/O status specifier
definition
Input/Output Status Specifier — ios

IF block
Method of Operation

IF level
Method of Operation

IF statement
arithmetic
IF (Arithmetic)
branch logical
IF (Branch Logical)
test conditional
IF (Test Conditional)

implicit data typing
Data Types
disabling
Syntax 3

IMPLICIT statement
Intrinsic Functions
Data Types
IMPLICIT

implied-DO lists
Implied-DO Lists
in DATA statements
Method of Operation
syntax
Implied-DO Lists

in-line options
In-Line Options

$INCLUDE statement
$INCLUDE Statement

INCLUDE statement
INCLUDE
order of
Order of Statements

indexed access
file properties
Keyed Access
key-field value
Key-Field-Value Specifier — KEY

indexed READ statement
READ (Indexed)
with REWRITE statement
REWRITE

indexed WRITE statement
WRITE (Indexed)

initial lines
Initial Lines

initial point
Files

initialization
of data
Data Initialization

input
definition
Input/Output Processing
list-directed
List-Directed Input

input list
Input List

input rules
summary of
Input Rules Summary

input/output
formatted
Formatted Input/Output
unformatted
Unformatted Input/Output

input/output list
Input/Output List — iolist
interaction with format
Interaction Between I/O List and Format

input/output statements
Executable Statements
list of
Statement Summary

INQUIRE statement
INQUIRE
and CARRIAGECONTROL
Syntax

$INT2 option
$COL120 Option
$INT2 Option

integer
constant
Integer Constants
constant expressions
Integer Constant Expressions
division
Integer Division
type statements
Syntax

internal files
Internal Files

internal READ statement
READ (Internal)

internal WRITE statement
WRITE (Internal)

intrinsic functions
Intrinsic Functions
list of
List of Functions
referencing
Referencing an Intrinsic Function
result type
Operational Conventions and Restrictions

INTRINSIC statement
INTRINSIC

iolist
Input/Output List — iolist

ios specifier
Input/Output Status Specifier — ios

IOSTAT specifier
and CLOSE
Syntax
and DELETE
Syntax
and ENDFILE
Syntax
and INQUIRE
Syntax
and OPEN
Syntax

KEY specifier
and OPEN
Syntax
definition
Key-Field-Value Specifier — KEY

key value
in OPEN and READ
Keyed Access

key-field-value specifier
definition
Key-Field-Value Specifier — KEY

key-of-reference specifier
Key-of-Reference Specifier — KEYID

keyed access
file
Keyed Access
with BACKSPACE statement
Syntax

KEYED specifier
and INQUIRE
Syntax

KEYID specifier
Key-of-Reference Specifier — KEYID

keyword
definition
Statements
synonyms
Syntax

L edit descriptor
L Edit Descriptor

label
Statement Labels
assignment
ASSIGN
rules
Statement Labels

.LE. relational operator
Relational Operators

list-directed
formatting
List-Directed Formatting
I/O statements
List-Directed Statements
input
List-Directed Input
output
List-Directed Output
READ statement
List-Directed READ (Sequential)
WRITE statement
List-Directed WRITE

$LOG2 option
$LOG2 Option

logical
assignment statements
Logical Assignment Statements
constants
Logical Constants
expressions
Logical Expressions
type statements
Syntax

logical data
in arithmetic expressions
Arithmetic Expressions

logical operands
Logical Operands
logical factor
Logical Factor
logical primary
Logical Primary

logical operators
logical disjunct
Logical Disjunct
logical expression
Logical Expression
logical term
Logical Term

.LT. relational operator
Relational Operators

main program
Main Program

mapped field declarations
Mapped Field Declarations

MAXREC specifier
and OPEN
Syntax

mixed-mode expressions
definition
Mixed-Mode Expressions

multidimensional arrays
Rules for Use

named common storage
Method of Operation

namelist specifier
definition
Namelist Specifier — NML

NAMELIST statement
Syntax

namelist-directed READ statement
sequential
Syntax

namelist-directed WRITE statement
Namelist-Directed WRITE

names
array
Array Names and Types
symbolic
Symbolic Names

.NE. relational operator
Relational Operators

.NEQV. logical operator
Logical Expression

.NEQV. logical operator
Logical Operators

new line character
Escape Sequences

next record
Files

NML
definition
Namelist Specifier — NML

non-repeatable edit descriptors
Field and Edit Descriptors

nonexecutable statement
Non-executable Statements

.NOT. logical operator
Logical Factor
Logical Operators

null character
Escape Sequences

numeric field decriptors
Numeric Field Descriptors

numeric type statements
Data Type Statements

O field descriptor
O Field Descriptor

octal
constants
Octal Integer Constants

OPEN statement
Keyed Access
OPEN
and CARRIAGECONTROL
Syntax

operands
arithmetic
Arithmetic Operands
character
Character Operands
logical
Logical Operands
relational
Relational Operands

operators
arithmetic
Interpretation of Arithmetic Expressions
concatenation
Concatenate Operator
relational
Relational Operators

optionally signed constant
Constants

options
Compiler Options
in-line
In-Line Options

OPTIONS statement
OPTIONS Statement

.OR. logical operator
Logical Operators
Logical Disjunct

order of execution
Execution Sequence

order of statements
Order of Statements

output
list-directed
List-Directed Output

output list
Output List

output rules
summary
Output Rules Summary

P edit descriptor
P Edit Descriptor

parameter passing
Parameter Passing

PARAMETER statement
PARAMETER
Constants

parentheses
interpreting in expressions
Integrity of Parentheses and Interpretation Rules

PAUSE statement
PAUSE

POINTER statement
POINTER

preceding record
Files

primary
character
Character Operands
definition
Arithmetic Operands

PRINT statement
PRINT or TYPE

procedure
definition
Subprograms
external
Subprograms

program
executable
Executable Programs

program organization
Program Units

PROGRAM statement
PROGRAM
Order of Statements

program units
Program Units

Q edit descriptor
Q Edit Descriptor

quotation mark
Character Constants

READ statement
Keyed Access
advantages over DECODE statement
DECODE
direct access
READ (Direct Access)
indexed
READ (Indexed)
internal
READ (Internal)
namelist-directed
sequential
Syntax
relation to FIND statement
FIND
sequential
READ (Sequential)
formatted
Syntax
list-directed
List-Directed READ (Sequential)
unformatted
Unformatted READ (Sequential)
with REWRITE statement
REWRITE

reading
definition
Input/Output Processing

READONLY specifier
and OPEN
Syntax

real
constant
Real Constants
exponent
Real Constants
type statements
Syntax

REC specifier
Record Specifier — REC

RECL specifier
and OPEN
Syntax

record number
Direct Access

record specifier
Record Specifier — REC

RECORD statement
RECORD

records
Records
Records
changing length with –old_rl
Direct Access
definition
Overview of Records and Structures
endfile
Endfile Records
formatted
Formatted Records
unformatted
Unformatted Records

RECORDSIZE specifier
and OPEN
Syntax

recursion
Rules for Use

relational expressions
Relational Expressions
arithmetic
Arithmetic Relational Expressions

relational operands
Relational Operands

repeat counts
Repeat Counts

repeatable descriptors
Descriptors

result type
intrinsic functions
Operational Conventions and Restrictions

RETURN statement
RETURN

REWIND statement
REWIND

REWRITE statement
REWRITE

S edit descriptor
S Edit Descriptor

SAVE statement
SAVE

scalar reference
definition
Record and Field References

scale factor
P Edit Descriptor

scope
Scope of Symbolic Names

sequential file access
Sequential Access

sequential READ statement
READ (Sequential)
formatted
Syntax
list-directed
List-Directed READ (Sequential)
namelist-directed
Syntax

sequential WRITE statement
WRITE (Sequential)

signed constant
Constants

single mode expressions
definition
Single-Mode Expressions

size
array
Array Size

slash editing
Slash Editing

source program
syntax rules
Source Program Lines

SP edit descriptor
SP Edit Descriptor

special characters
Special Characters:

specific function names
Generic and Specific Names

specification statements
Specification Statements

SS edit descriptor
SS Edit Descriptor

statement
assignment
Executable Statements
control
Executable Statements
executable
Executable Statements

statement function
definition
Statement Functions

statement label
Statement Labels

statements
ACCEPT
ACCEPT
arithmetic IF
IF (Arithmetic)
as part of program
Statements
ASSIGN
ASSIGN
AUTOMATIC
AUTOMATIC, STATIC
BACKSPACE
BACKSPACE
CALL
CALL
CLOSE
CLOSE
computed GO TO
GO TO (Computed)
CONTINUE
CONTINUE
data type
Data Type Statements
DECODE
DECODE
DEFINE FILE
DEFINE FILE
DELETE
DELETE
DO
DO
DO WHILE
DO WHILE
ELSE
ELSE
ELSE IF
ELSE IF
ENCODE
ENCODE
END
END
END DO
END DO
END IF
END IF
ENDFILE
ENDFILE
ENTRY
Order of Statements
ENTRY
EQUIVALENCE
EQUIVALENCE
EXTERNAL
EXTERNAL
FIND
FIND
FORMAT
FORMAT Statement
General Rules for Using FORMAT
FUNCTION
FUNCTION
GO TO
GO TO (Symbolic Name)
I/O
Statement Summary
IMPLICIT
IMPLICIT
INCLUDE
Order of Statements
INCLUDE
input/output
Executable Statements
INQUIRE
INQUIRE
INTRINSIC
INTRINSIC
nonexecutable
Non-executable Statements
OPEN
OPEN
OPTIONS
OPTIONS Statement
order of
Order of Statements
PARAMETER
PARAMETER
PAUSE
PAUSE
POINTER
POINTER
PRINT
PRINT or TYPE
PROGRAM
Order of Statements
PROGRAM
RECORD
RECORD
RETURN
RETURN
REWIND
REWRITE
SAVE
SAVE
statements, REWIND
REWIND
STATIC
AUTOMATIC, STATIC
STOP
STOP
STRUCTURE
STRUCTURE / UNION
SUBROUTINE
SUBROUTINE
test conditional IF
IF (Test Conditional)
TYPE
PRINT or TYPE
unconditional GO TO
GO TO (Unconditional)
UNLOCK
UNLOCK
VIRTUAL
Syntax
VOLATILE
VOLATILE

STATIC statement
AUTOMATIC, STATIC
and recursion
Rules for Use

STATUS specifier
and CLOSE
Syntax
and OPEN
Syntax

STOP statement
STOP

storage
common
Method of Operation
named
Method of Operation
of arrays
Storage and Element Ordering

STRUCTURE statement
STRUCTURE / UNION

subprogram
Subprograms
function
Function and Subroutine Subprograms
subroutine
Function and Subroutine Subprograms

subroutine
executing
Executing Functions and Subroutines
referencing
Referencing Functions and Subroutines

SUBROUTINE statement
SUBROUTINE

subroutine subprogram
Function and Subroutine Subprograms

subscripts
Subscripts
expression
Subscripts
value
Subscripts

substrings
character
Character Substrings
names
Substring Names
values
Substring Names

substructure declarations
Substructure Declarations

symbolic names
Symbolic Names
GO TO statement
GO TO (Symbolic Name)
scope
Scope of Symbolic Names

symbols
valid names
Symbolic Names

syntax conventions
Typographical Conventions

T edit descriptor
T Edit Descriptor

TAB character formatting
TAB Character Formatting
Fixed Format

term
definition
Arithmetic Operands

terminal point
Files

test conditional IF
IF (Test Conditional)

TL edit descriptor
TL Edit Descriptor

TR edit descriptor
TR Edit Descriptor

transfer of control
Execution Sequence

.TRUE. relational operator
Relational Expressions

TYPE statement
PRINT or TYPE

type statements
character
Character Data Types
numeric
Data Type Statements

typed data declarations
Typed Data Declarations (Variables or Arrays)

typing
implicit
Data Types

unamed fields
Unnamed Fields

unary operators
Interpretation of Arithmetic Expressions

unconditional GO TO
GO TO (Unconditional)

unformatted I/O statements
Unformatted Input/Output
Unformatted Statements

unformatted READ statement
sequential
Unformatted READ (Sequential)

unformatted records
Unformatted Records

unformatted WRITE statement
Unformatted WRITE (Sequential)

UNION declaration
Mapped Field Declarations
Syntax (General)
Examples (General)

UNIT specifier
Unit Specifier — UNIT
and CLOSE
Syntax
and DELETE
Syntax
and ENDFILE
Syntax
and INQUIRE
Syntax
and OPEN
Syntax

units
Units

UNLOCK statement
UNLOCK

value separator
List-Directed Output

variable format expressions
Variable Format Expressions

variables
definition
Variables

VIRTUAL statement
Syntax

VOLATILE statement
VOLATILE

WRITE statement
advantages over ENCODE statement
ENCODE
direct access
WRITE (Direct Access)
formatted
Formatted WRITE (Sequential)
indexed
WRITE (Indexed)
internal
WRITE (Internal)
list-directed
List-Directed WRITE
namelist-directed
Namelist-Directed WRITE
sequential
WRITE (Sequential)
unformatted
Unformatted WRITE (Sequential)

writing
definition
Input/Output Processing

X edit descriptor
X Edit Descriptor

.XOR. logical operator
Logical Operators
Logical Expression

Z field descriptor
Z Field Descriptor

zero, sign of
Arithmetic Constants