CURRENCY CONVERSION DEVICE, CURRENCY CONVERSION SERVER COMPUTER, ITS CONTROLLING METHOD, STORAGE MEDIUM STORING PROGRAM FOR CONTROLLING IT

摘要

PROBLEM TO BE SOLVED: To facilitate currency conversion. SOLUTION: A currency conversion window including an exchange rate information 310 of another currency against a conversion reference currency, a conversion reference currency designation button 305 for designating the conversion reference currency, a currency designation button 306 for designating another currency, a display area 304 for a given conversion original money amount in the conversion original currency and a converted money amount in a converted currency, and a currency sort display area 303 displaying currency sorts of the displayed conversion original money amount and converted money amount is displayed. Using the currency designation button 306, the conversion original currency is designated, and the conversion original money amount is inputted via a numerical value button 308 and the like. When the converted currency is designated by means of the conversion reference currency designation button 305, the conversion original money amount inputted in the designated conversion original currency is converted into the converted money amount in the designated converted currency so as to be displayed in the display area 304.