EN
The article describes step by step the stages of creation the simulation models and their application to optimize the functioning of economic system. There are considered 2 simple problems: - optimization of amount of papers supplied to the kiosk; optimization criterion is risk maximizing, - optimization of amount of employers in the repair base; optimization criterion is costs minimization. All of the calculations are made by means of Excel spreadsheet. The next aim of creating the simulation model was to develop the skills of using spreadsheets by economic students and by decision makers in the firms.