ContourCube is a high-performance OLAP component for rapid development of Internet, client-server and desktop BI applications. It provides highly dynamic interface for interactive data analysis, sophisticated analytical, statistical, reporting and graphing features. ContourCube gets data from existing relational data sources and calculates a multidimensional hypercube, which is then presented as a grid and/or a graph. This article is designed to show you how you can use ContourCube to build complex architectures and various users interfaces and create quite a number of sophisticated Business Intelligence (BI) applications.