This article introduces how to use Aspose.Cells library to calculate formulas in Microsoft Excel using Node.js via C++. By loading an existing Excel file or creating a new Excel file, we can use the methods provided by Aspose.Cells to calculate the formula and get the result. Finally, we save the modified Excel file to disk....calculateFormula ( "=Sum(A1:A2)" ); // Print the output console . log ( "Value...dataDir , "book1.xls" )); // Print the time before formula calculation...