The next version of the Module List will list the following module: modid: Algorithm::LUHN DSLIP: Rdpf? description: Calculate mod 10 Double Add Double checksum userid: TAYERS (Tim Ayers) chapterid: 6 (Data_Type_Utilities) enteredby: ANDK (Andreas J. König) enteredon: Fri May 11 07:05:51 2001 GMT The resulting entry will be: Algorithm:: ::LUHN Rdpf? Calculate mod 10 Double Add Double checksum TAYERS Please allow a few days until the entry will appear in the published module list. Parts of the data listed above can be edited interactively on the PAUSE. See https://pause.kbx.de/pause/authenquery?ACTION=edit_mod Thanks for registering, The Pause Team