This article introduces how to use Aspose.Cells library to directly calculate custom functions in Microsoft Excel without writing the function in a worksheet using Node.js via C++. Load an existing Excel file or create a new one, calculate the custom function, and save the modified file....This article introduces how to use Aspose.Cells library to directly calculate custom functions in Microsoft Excel without writing the function in a worksheet using Node.js via C++. Load an existing Excel file or create a new one, calculate the custom function, and save the modified file.