This manual investigates the fundamental principles of the Applesoft BASIC programming language as implemented on the Apple II series of personal computers. Authored by the technical staff at Apple Computer, the text provides a structured framework for users to transition from basic system operation to writing functional software. It utilizes a pedagogical approach that combines syntax definitions with practical exercises designed to leverage the specific hardware capabilities of the Apple II, II+, IIe, and IIc models.

Experts identify this manual as the definitive primary source for understanding the software architecture of the Apple II ecosystem. Users frequently note the technical density of the prose, which serves as a foundational reference for historical computing enthusiasts and programmers working with vintage hardware.