The purpose of this study is to develop a decision support system and decision ways to those interested in investment business coffee shop. By the start of data collecting documents and related research The collected data samples. Then analyzed to determine the algorithm. In the form of a tree structure by using the program, Weka Explore Then start developing system by using the program Dreamweaver CS6 in page design User Interface used as a tool HTML5 language in the operation of the code. And use the language PHP in system development and database connection MySQL. Which this Web application is a Web application that assists in making investment decisions, the coffee shop business. In order to know the value of your investment in the business and in order to know what operations it deserves to make the investment? Can be opened on any level, etc.
Researchers have proposed a system of investment analysis to open a coffee shop, Web-application is important to analyze the decision to invest in a coffee shop open for those interested or new businesses, which would be beneficial to those who are interested to invest in opening a coffee shop as well as.