Spreadsheets are used to present data in an understandable format, provide intuitive interfaces for data collection, deliver fast calculations and report and analyze data from databases and other sources. This functionality is put to use by businesses of all sizes and vertical interests. Similarly, the e.Spreadsheet Engine Actuate Corporation is implemented in various manners in numerous industries. But unlike desktop-bound spreadsheet applications, e.Spreadsheet Engine delivers its spreadsheet functionality with a powerful spreadsheet engine and separate GUI spreadsheet interface that can be embedded in server and client applications through a robust API that offers a high level of flexibility and customization.