thanks for you reply: mine is a win2k-ws too .. the date of the installer is 01.06.2001 (Python-2.1.exe and win32all-139) thats probably the date of download .. don't know if this helps .. cheers Ulrich Eck Hi, I'm unable to duplicate this behavior under Python 2.0 on a Win 2k platform. >>> f = 1.2345 >>> round(f,1) 1.2 >>> round(f,2) 1.23 >>>