The textbook has been prepared mostly for students in the disciplines: Economics and Finance and Quality and Management Sciences. However, it can also be used by students of other fields of studies with courses related to mathematics, algebra, and mathematical analysis. The theory is presented in an accessible way necessary to solve the proposed tasks. Each chapter contains examples to help to understand the theory and exercises to be solved by students (with answers). This form of presentation of individual issues facilitates individual work, especially for part-time students. The textbook has been supplemented with a chapter containing practical usage of mathematics in economics, finance, and management. The textbook is the result of many years of teaching experience of the authors during lectures, exercises and consultations with students. All of the chapters are written by scholars working in the Department of Econometrics and Statis- tics, Institute of Economics and Finance at the University of Szczecin.
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