PDP-11 FORTRAN-77 Language Reference Manual

This manual, published in July 1983, acts as the primary language reference for PDP-11 FORTRAN-77. It covers the syntax, semantics, and language elements of the implementation, including constants, variables, arrays, expressions, assignment statements, control statements, specification statements, subprograms, and I/O statements. It provides comprehensive technical details for programmers, including chapters on formatting, auxiliary I/O statements, and supplemental language elements, along with appendices for language summary and character sets.