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....( "a" ) -> setSuperscript ( "2" ) -> join ( "+" ) -> join ( new...( "b" ) -> setSuperscript ( "2" )) -> join ( "=" ) -> join (...