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....not supported by Microsoft Excel as built-in functions. This...Save ( outDir + u "output_out.pdf" ); std :: cout << "Workbook...