Hi,
how to use vlookup that actually select those values in
column A which does not appear in column B and vice versa.

example:
Columns
A B C(From column A) D(From column B)
2.3 1.3 1.2 0.4
1.3 0.4 1.4 2.6
3.6 2.6
1.2 2.3
1.4 3.6


many thanks

regards,
Joey