There is no built-in function called traffic in Excel, so you must
have had a user-defined function or add-in to do this in Office 2000.
Here's a couple of links you might want to have a look at:

http://www.erlang.com/calculator/erlb/

http://www.itl.nist.gov/div898/handb...on1/apr165.htm

Hope this helps.

Pete

On Nov 10, 7:35 pm, Ajinkya Dhume <Ajinkya
wrote:
I cannot use formula traffic(E12,0.1) which was used to calculate erlang in
office 2000. But 2003 there is no support for these function.