Training Manual . - Tambov: Tamb. gov. T. Unt, 2006. - 72 s. The problems of food, bio- and chemical technology leading to the solution of equations of mathematical physics - differential equations with partial derivatives. are considered. The manual gives the basics of working with the FlexPDE package and gives examples of computer modeling of processes and devices of food, bio- and chemical technology with distributed variables. Designed for students, Graduate and post-graduate students , students in the specialties "Machines and apparatuses of chemical productions" , "Machines and Apparatuses of Food Production" , "Food Biotechnology" , "The main processes of chemical production and chemical cybernetics" and the direction "Technological machines and equipment" .