PURPOSE : To learn the knowledge of procedures required for purchasing real estate, various kinds of notification procedures and expenses incurred, etc., required at the time of purchasing the real estate and to simulate expenses and the scheduling based on one' s own purchase condition. CONSTITUTION : When a system is started, a data control part 8 displays a purchase condition input picture on a display part 2, and a user inputs the purchase condition of the real estate from a data input means 1. The data control part 8 reads in the contents of an event master file 5, and the user learns the displayed contents, and when the displayed contents requests a related data input, the user inputs then. The data control part 8 calculates and stores the required data based on the inputted data. By repeatedly executing the above processes, the data control part 8 makes the user various kinds of procedures, etc., for purchasing the real estate learn. Finally, a trial control part 3 refers to an interest master file 7, and makes a canceling time of owned funds while using as a financial product and an optimum using plan of funds on hand, and displays it on the display part 2.