This textbook is intended for practical and theoretical classes in the discipline "Mathematical modeling of financial and economic processes", which are conducted in order to study and master the theoretical foundations and practical skills of modeling with the use of mathematical apparatus and quantitative analysis of real economic processes and phenomena. The purpose of the textbook is to help students specializing in economics and other fields to check the quality of mastering the lecture material. Systematic implementation of tasks for independent work by students will provide a deeper understanding and memorization of the educational material.