This article introduces an abstract calculation engine that returns a range of values in Microsoft Excel using the Aspose.Cells library. By loading an existing Excel file or creating a new Excel file, we can use the methods provided by Aspose.Cells to get a range of values and return the result. Finally, we save the modified Excel file to disk....AbstractCalculationE Contents [ Hide ] Aspose.Cells provides AbstractCalculationE...Values using ICustomFunction Add Cells to Microsoft Excel Formula Watch...