Zuse's textbook on software measurement provides basic principles as well as theoretical and practical guidelines for the use of numerous kinds of software measures. It is written to enable scientists, teachers, practit ioners, and students to define the basic terminology of Software Measurement and to contribute to theory building. The textbook considers, among other, qualitative and numerical models behind software measures. It explains step-by-step the importance of qualitative properties, the meaning of scale types, the foundations of the validation of measures, and the foundations of...