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....NUMBER , } /** * Derived from http://poi.apache.org/spreadsheet/how-to... part 4, pages 1928ff, at * http://www.ecma-international.or...