This article introduces an abstract calculation engine that returns a range of values in Microsoft Excel using the Aspose.Cells library with Golang via 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....that are not supported by Microsoft Excel as built‑in functions...Golang via C++ Add Cells to Microsoft Excel Formula Watch Window...