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....having to analyze several columns of worksheet numbers, you can...Cells . Charts . ChartType . Column , 5 , 0 , 15 , 5 ); //Accessing...