Python -- floating point arithmetic

[Tim Roberts]

David Mainzer <dm at tu-clausthal.de> wrote:
>
>All your comments helped me and now i know how it works in python !

This has nothing to do with Python.  What you're seeing is the way IEEE-754
floating point arithmetic works.  You'd see these same results in any
programming language, including assembly language (assuming it hasn't
changed the rounding mode).
-- 
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.