Hi Danny, >And that will "convert" every value in our history_list to a float. >Strings are immutable, but that doesn't stop us from just tossing them out >of the ship. *grin* I like that :-) I just spent several hours trying to figure that out, you just solved it, 10 minutes after I posted to the list. Carefull, you may end up writing my whole program :-) Thanks again Don