You will want to use Excel VBA PL if you want to respect the philosophy of Excel. Meaning that you want to use Excel functions within a document that will be easily understandable by anyone opening ...
The main entry point to the library is the ExcelVbaSyncApi singleton class. From that class you can get a VBA importer or exporter for an Excel Workbook object (Microsoft.Office.Interop.Excel.Workbook ...