Thank you Jon for you help. In fact, I only have the y value. I tried
what you said for known values and it works great.
Thank you again and if you have a solution for the other case, it would
be appreciated too!
Just see Tushar Mehta reply, will try this too!
Thanks a lot!
--
DrPepper
------------------------------------------------------------------------
DrPepper's Profile:
http://www.excelforum.com/member.php...o&userid=28891
View this thread:
http://www.excelforum.com/showthread...hreadid=486399