This textbook is intended for students studying in the specialty 260602 "Food Engineering of Small Enterprises" .. The book systematizes information about the use of computer technologies in the design and operation of technological equipment in the food and processing industries. Examples of some calculation algorithms and their implementing programs in the most popular packages, such as Excel, MathCAD, AutoCAD, Kompas and Flash. are given. The manual can be useful for graduate students and teachers. ; Grif: Recommended by the Educational and Methodological Association for Education in Food Technology and Food Engineering as a teaching aid for students of higher educational institutions , students in the specialty 260602 "Food Engineering of Small Enterprises" direction of training of a certified specialist 260600 "Food Engineering"