This article introduces an abstract calculation engine that returns a range of values in Microsoft Excel using the Aspose.Cells library with C++. 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....Vector < Object > row1 { Object ( Date { 2015 , 6 , 12 , 10 , 6 , 30...