This book caters to the needs of the students of various disciplines of both undergraduate and postgraduate courses, through effective formulation of graphical illustrations of quadratic residue cayley graphs. This comprehensive text introduces readers to the theory of dominating functions of quadratic residue cayley graphs. The neat free-body diagrams are presented and examples are solved systematically to make the procedure clear. Each of five chapters includes thorough grounding in the related concepts. In addition, the results and discussions designed to aid further understanding of the subject.