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....pres : chart = pres . slides [ 0 ] . shapes . add_chart ( charts...10 , 10 , 400 , 300 , True ) chart . axes . horizontal_axis . major_unit_scale...