TRANSACTION JOURNAL STORAGE METHOD, REPRODUCTION METHOD FOR TRANSACTION SETTLED SCREEN, CANCEL METHOD FOR SETTLED TRANSACTION AND EDITING METHOD FOR SETTLED TRANSACTION

摘要

PURPOSE: To make a settled transaction possible to be easily canceled. CONSTITUTION: The transaction data are successively displayed on the screen of a display part 2 following the input of the transaction data to a transaction device from a keyboard part 3. When a transaction was settled after the input of the transaction data, the field data with which the transaction data shown on the screen of the part 2 are edited to correspond to the field of the display screen, are stored in a journal file 14 together with the environment data on the display screen, etc., obtained at the time when the transaction was settled. This display screen at the time when the transaction was settled can be reproduced by this stored field and the environment data.