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Glossary
viii
Program Unit -
Another
name
for
a
main
program
or
a
subprogram.
Every
program
unit
must
be
terminated
by
an
END
statement.
Record
- A
sequence
of
values
or
characters.
Statement - A
sequence
of
syntactic
items:
statement
label,
keyword,
arguments,
ex-
pressions,
etc. A
statement
has
an
'initial'
line
and
up
to
nine
'continuation'
lines.
Statement
Label-
A 1-5 digit
integer
in
columns
1-5
of
a
statement's
initial line.
Can
be
given a
symbolic
name
by
the
ASSIGN
statement.
Subprogram - A tJlock
of
code
having
a
FUNCTION,
SUBROUTINE,
or
BLOCK
DA
T A
statement
as its first
statement
and
the
END
statement
as
its
last
statement.
Subroutine - A
group
of
statements
for
performing
a
frequently-used
operation.
The
SUBROUTINE
statement
mllst
be
the
first
statement;
the
END
statement
must
be
the
last.
Unit - A logical
way
of
referring
to
a file.
Once
connected,
it
is
the
same
as a file.
FORTRAN-SO