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....h" using namespace Aspose :: Cells...