The application works with data stored in a database (DB) type SQLite named AdvanceMatrixCalculate.db with initial installation of the application is available for execution (or the menu of startup activity) function initialization DB. Upon initial installation of the application is available for execution (or from the menu of startup activity) function initiate data base .With the implementation of this function database are initsilized and show examples of data that can be erased and resume work.
The application has a function for export, import and send the database and file containing the data of selected matrix to a file named AdvanceMatrixFile.txt. The import and export operate in selection of the sub-director of main memory of the device. With the sending can be selected recipient, for example Skype, e-mail and others.. When sending and saving can be selected in a directory and under what name to be sent the data file as opposed to the application MatrixCalculator.