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.... For example, suppose cell D4 has the formula =SUM(A1:A2)...you can find it using Aspose.Cells with LookInType.ORIGINAL_VALUES...