This title introduces the fundamentals of mathematics using easy-to-understand language giving readers a solid start and deeper understanding of this complex subject. Entries provide a summary, an in-depth examination of the topic, and a list of Further Reading, and many include illustrations, models, equations, and sample problems. A wide variety of terms and concepts is covered in this volume, including: Combinatorics, Differential Equations, Euclidian Geometry, Game Theory, Linear Algebra, Mathematical Physics, Number Theory, Probability and Statistics. This resource will be a helpful tool for students and researchers who are just beginning their study of mathematics and need a solid background of the key terms and elements in the field.