Prof. Sham Tickoo of Purdue University Calumet and the team of dedicated contributing authors at CADCIM Technologies are committed to bring you the best textbooks and free teaching and learning resources on Computer Aided Design and Manufacturing (CAD/CAM), Computer Programming and Applications, GIS, Civil, Animation and Visual Effects related technologies. We strive to be the first and the best. That is our promise and our goal. Our team of authors consists of highly qualified and experienced Engineers, Programmers, and animation specialists who have a strong academic and industrial background. They understand the needs of the students, the faculty, and the challenges the students face when they start working in industry. All our books have been structured in a way that facilitates teaching and learning, and also exposes students to real-world applications. The textbooks, apart from providing comprehensive study material, are well appreciated for the simplicity of content, clarity of style, and the in-depth coverage of the subject.