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....I J K L M N O P Q R S T U V W X Y Z Aspose.Cells' Formula Calculation...: Returns the arctangent from x- and y-coordinates ATANH Math...