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A trip to the supermarket will encounter the problem? Often think of home when there are things that did not buy it? Always wanted And he just bought a large quantity of goods, there is a half broken into ever use, so with a more cost-effective way to save money Price did not achieve true reckoning, this APP simultaneously solve math problems. To the store immediately after pulling group purchase, so share purchase goods on the spot, can lower the price to buy the necessary goods, put a long time to reduce the commodity is not new issues, but also to people closer to the city. Exclusive shopping list, to remind the items you need, so yo


Oriental Institute of Technology

Oriental Institute of Technology
New Taipei City, Taiwan

Yien-Ling Chen,
Oriental Institute of Technology

Wei-Shiuan Lee,
Oriental Institute of Technology