The book is composed by six chapters which cover the topics usually addressed in a course of Mathematics of Finance: value of money in time; interest rates; equations of value; annuities; amortization of loans and sinking funds; and bonds. In addition to the basic theoretical principles related to each topic, all the Chapters include a set of solved exercises, explained in a direct and simple mode. Therefore, this book must be helpful for all the individuals dealing with financial matters. Ana Paula Quelhas currently teaches Mathematics of Finance, Financial Risk Analysis, and Portfolio Management at Polytechnic Institute of Coimbra. She has a graduation in Economics, a Master’ degree in Social Policy, and a PhD in Management with specialization in Finance. She had published several monographs and some papers in scientific journals. The longevity and investment risk of pension funds is her main topic of research.