Free HP-41 Utility : 1. HP-41 Programming Environment The purpose of HP41_ProgEnv.XLS spreadsheet and its associated macros and tool bar is to provide a kind of HP-41 programming environment. The main programming assistants are : - a tool bar with most HP-41 (and some peripherals) instructions, reducing encoding/editing time; - export and import function to save the program as Text file (for their later compilation); - compile and de-compile function (with prior/post export/import) using Leo Duran's HP41UC.EXE program; - launch the HP-41 emulator on successful compile and load the new code (V41.exe program); - produce bar codes, using Dan McDonald's macro and sheet (this tool is in fact an "extension" of Dan's tool, thanks to him). 2. HP-41 Bar Codes Generation HP41_BarCodes.XLS contains a set of functions to produce almost any kind of Bar Codes 3. HP-41 Listing Format HP41_PRGM.DOC is a Word template to format the HP-41 code listing. Completely free (full version without trial period).