Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....AUTO_ZERO ); ChartDataSource < Number > xs = DataSources . fromNumericCellRange...NUM_OF_COLUMNS - 1 )); ChartDataSource < Number > ys1 = DataSources . fromNumericCellRange...