Amazon.com description: Product Description: This is a beginner's introduction to computer numerical control. It offers solid instruction in the fundamentals of this highly skill-oriented technology. Structured and designed to be a comprehensive and holistic primer on the subject, it breaks each concept into 36 single-topic, easy-to-understand learning units throughout 6 major sections. The text is written at an accessible level with opportunities for the student to write answers to questions which build critical thinking skills in math and computer science.