Abstract: A used car information search method of inputting a search condition containing car type information for specifying a type of a used car, searching for used car data coincident with the search condition from a used car database containing the car type information and price information, and outputting the searched used car data. This method comprises a step of researching the price information in all records of used car data coincident with the car type information contained in the search condition, and creating price research information, and a step of transmitting the used car data coincident with the search condition and the price research information for displaying them to a user. This scheme enables an efficient search for the used car information regardless of how much a prospective purchaser is skilled at searching.

Abstract: A search method in a used car search support system in which when search conditions are inputted from a client, a server delivers the hit number for each price range to the client and when a user designates a desired price range via the client, the server sends the used car information of the designated price range to the client.

Abstract: A used car information search method of inputting a search condition containing car type information for specifying a type of a used car, searching for used car data coincident with the search condition from a used car database containing the car type information and price information, and outputting the searched used car data. This method comprises a step of researching the price information in all records of used car data coincident with the car type information contained in the search condition, and creating price research information, and a step of transmitting the used car data coincident with the search condition and the price research information for displaying them to a user. This scheme enables an efficient search for the used car information regardless of how much a prospective purchaser is skilled at searching.

Abstract: A search method in a used car search support system in which when search conditions are inputted from a client, a server delivers the hit number for each price range to the client and when a user designates a desired price range via the client , the server sends the used car information of the designated price range to the client.

Abstract: An operator switches over an application and inputs data through a keyboard 1. Each of CRTs 2 and 3 displays the application and the data inputted by the input unit. A control unit 11 executes processing and switchover of the application, executes processing of the input data and the input key from the keyboard 1, and executes display processing on the CRTs 2 and 3.