BASIC/RT-11 Language Reference Manual

This document is a change notice for the BASIC/RT-11 Language Reference Manual (DEC-11-LBACA-D-D), dated May 1975. It provides technical corrections for several pages throughout the manual, adds an omitted appendix (Appendix H), and includes instructions for assembling and linking BASIC with custom routines. Additionally, it details GT Graphics support for GT40/GT44 display processors and provides updated error message explanations.