42 computer programming; computer software design; updating of computer software; technical research in the field of computer software, computer games, statistical analysis, mathematical modelling, optimization of mathematical models, optimization of processes, differential equations, analogue and digital signal processing, algebra, stochastic process, management science, decision science, data visualization, data mining and analysis, artificial intelligence; maintenance of computer software; computer systems analysis; computer system design; research and development of computer software, computer games, statistical analysis, mathematical modelling, optimization of mathematical models, optimization of processes, differential equations, analogue and digital signal processing, algebra, stochastic process, management science, decision science, data visualization, data mining and analysis, artificial intelligence for others; computer software consultancy; technical project studies in the field of computer software, computer games, statistical analysis, mathematical modelling, optimization of mathematical models, optimization of processes, differential equations, analogue and digital signal processing, algebra, stochastic process, management science, decision science, data visualization, data mining and analysis, artificial intelligence