Poly Basic

This document is a program library manual for the Poly BASIC system, designed for use with PDP-8, 8I, and 8L computers equipped with ASR/KSR Teletypes and random-access input/output devices like the DF32 disk or TU55 DECtape. The manual covers the fundamentals of the BASIC language, including standard arithmetic operations, functions, and the use of loops and lists/tables. It also details the operating commands for the Poly BASIC system, error messages for debugging, and includes specialized appendices for loading procedures and technical information for interfacing user programs.