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....simplemente llama al método add_worksheet del módulo MangingWorksheets...MangingWorksheets . Código Ruby def add_worksheet () # Instantiating a Workbook...