To guide a commodity selling store matched with a user's request by tabulating shopping memos based on the dales advertisement of respective stores so as to be easily retrieved and acquired through a network and quickly providing the price information on a commodity required to be purchased in respective stores.
This shopping supporting device is provided with a store information data base 6 for acquiring and storing information such as normal prices, discount prices and discount periods of commodities dealed with in respective stores and the addresses and business hours of respective stores from the network, a shopping information extracting part 7 for retrieving the data base 6 and extracting a commodity required to be purchased and the information of a store and an output part 8 for displaying shopping information and constituted so as to extract the price and discount of a commodity required to be purchased and the information of selling stores to support shopping free from useless purchase and waste.
KAGA TOMOMI
TERASAKI SATOSHI
