Abstract: Methodology of performing double-entry bookkeeping on an internet based accounting system and producing accounting information online by means of the “six working pages—Data Capturer And Processor” which is capable of capturing transaction data remotely from each remote user of plurality of on line system users and remote communication between the server and user of plurality of on line system users. The “Data Capturer and Processor” is the core platform of an application program located at a server that is connected to a web IP address. The characteristics and working procedures of each page allow for bookkeeping complying with the technical rules of double entry account system and accounting principal on foreign exchange translation. The method supports the bookkeeping works and information system of a corporate with multi business units spreading all over the world.