Training and reference manual . - Tver: TvGU, 2006. 104s. The subject of this edition is only the general concepts and classifications of the main sections of applied mathematics studied by students of economic specialties. The purpose of this manual is: formation of students' holistic perception of the studied sections of applied mathematics, their relationships with each other and with general professional and special economic disciplines ; providing teachers with a teaching aid, the material of which can be given to students for self-study (this will reduce the time for presenting this material at introductory lectures and free up time for presenting specific methods of applied mathematics) . It is intended for students of universities of economic specialties, teachers of applied mathematics at the economic faculties of universities, and can also be useful for graduate students and anyone interested in the application of applied mathematics in economics.