[alikakakhel3 at hotmail.com] #- ok but where can i download deciaml? waht about gmpy? which #- is better? >From http://cvs.sourceforge.net/viewcvs.py/python/python/dist/src/Lib/ Don't know gmpy, so I can't compare. But decimal will be in the standard library, so since Py2.4 you'll not need an external module. . Facundo