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....IMREAL IMSIN IMSQRT IMSUB IMSUM INDEX INDIRECT INT INTERCEPT INTRATE...ROUNDDOWN ROUNDUP ROW ROWS RSQ S SEARCH SEARCHB SECOND SEQUENCE SERIESSUM...