The first machine is a machine that uses IBM 1620 (at that time about two million baht), which was installed at the Faculty of Commerce and Accountancy. Chulalongkorn University
began to study the development of national statistics. Focusing on the operational aspects of the census and research. Research and numerous countries such as Malaysia, Singapore and Sri Lanka was sent. Officials see the Performance of the machine as well Because of his own country, no. Currently (2554), this is the Bangkok Planetarium.