An apparatus for forecasting preferred selections from a menu of a restaurant comprises a) a face recognition system including at least two cameras, b) a point of sales system (POS) including a portable terminal linked thereto and c) a server for running algorithms comprising steps of: receiving the demographic profiles of the customers; obtaining environmental information including weather information and event information from relevant websites via internet; obtaining the transaction data of the customers from the POS; correlating the inputted orders including types of dishes from the customers with demographic profiles of the customers and the environmental information to accumulate correlated data into database in the server; selecting the preferred selections from the database based on a criterial to narrow down a number of the preferred selections; and transferring the selected preferred selections to the portable terminal via the POS.