The salient features of this book include: strong coverage of key topics involving recurrence relation, combinatorics, Boolean algebra, graph theory and fuzzy set theory. Algorithms and examples integrated throughout the book to bring clarity to the fundamental concepts. Each concept and definition is followed by thoughtful examples. There is user-friendly and accessible presentation to make learning more interesting as much as possible without compromising mathematical rigour. This title includes glossary of all symbols discussed in the book together with the chapter where each was introduced. Around 300 complete solved illustrations are there to explain the concepts. Over 300 end-of-chapter exercises are included to stimulate further interest in the subject.