EduSystem Handbook

The EduSystem Handbook provides a thorough introduction to using Digital Equipment Corporation's EduSystem computers in an educational environment. The document is structured as a self-instruction course covering the BASIC language, including numerical expressions, variables, input/output, and program control (loops and subroutines). It provides detailed operating instructions and specifications for various system models, including EduSystem 5, 10, 15, 20, 25, 30, 40, and 50. Additionally, it contains extensive appendices with character codes, error message summaries, and command references for different versions of BASIC and monitor environments.