i got to know about this from the microsoft download notification email and this baby aint bad. looks cool, gives u three modes: standard, scientific and conversion and we can import current exchange rates from the European Central Bank from the internet into it.
look at some screenshots:
it becomes translucent as an inactive window:
btw, it can be viewed in classic mode too...
download page:
http://www.microsoft.com/downloads/d...displaylang=en
size: 476 kb
btw, if u want a more scientific calculator, then go for the Microsoft PowerToy Calc.