Basic Conversational Language Manual

This manual provides a detailed guide to programming in BASIC on the DECsystem-10. It covers fundamental concepts, loops, lists and tables, as well as more advanced techniques such as matrix operations, alphanumeric string handling, file manipulation, and formatted output. The document also serves as a user guide for running BASIC on the system, including logging in, editing programs, and debugging errors, and includes appendices for language summary and diagnostic messages.