I'm currently writing a TI83 emulator with Dines Justesen. It works under DOS, and at present the emulation is nearly perfect. But I need to include some user facilities, and a debugger ( elsewhere there is no need to have an emulator, if you can't debug your programs without testing them on your calc ) - Florent >Does anyone have an TI-83 emulator for Windows or a compilator, so I can >run programs on my PC.