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....implement user‑defined or custom functions that are not supported...Microsoft Excel as built‑in functions. This article will explain...