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....setValue ( 10000 ); //Create chart $chartIndex = $sheet -> getCharts...COLUMN , 12 , 1 , 33 , 12 ); $chart = $sheet -> getCharts () ->...