This may be common knowledge (haven't programmed for a while) but is there a way to detect the HW version on the calc in software other than asking the user? / Niklas Brunlid Check out Prosit for the TI-89 / TI-92+ at http://prosit.ticalc.org Random PQF Quote follows: "I can bite your leg if you like." -- Gaspode the wonder dog (Terry Pratchett, Moving Pictures)