The textbook meets the modern requirements of federal state educational standards of higher education in the areas of training "Applied Informatics," "Business Informatics," "Economic Security." For each topic, theoretical and methodological issues are covered in detail, control tasks and training exercises for the study of operations in the economy of the agro-industrial complex are given. The practical part of the training involves completing tasks and solving problems using a PC. Designed for full-time and part-time university students studying "Operations Research."