```What i want to do is really simple.

I have column B with 50 numbers. I want to set up column C so that in
C2, if B2=B1 and then it returns a value or something like false. It
really doesn't matter what it returns though.

Then in C3, if B3=B2 OR B3=B1 then it returns the false value

Then in C4, if B4=B3 OR B4=B2 OR B4=B1 then it returns the false.

Then in C5, if B5=B4 OR B5=B3 OR B5=B2 OR B5=B1 then it returns the
false value.

I think I could do it with alot of logical statements, but you can
only put 30 conditions into one cell. With a list of 50 numbers that
isn't enough, so Im kinda of stuck.
```
 0
jespl1 (3)
4/25/2004 9:58:06 PM
excel 39879 articles. 2 followers.

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```One way:

C2:    =IF(COUNTIF(\$B\$1:B1,B2)=0,"")

Copy down as far as necessary.l

jespl1@excite.com (Joe) wrote:

> What i want to do is really simple.
>
> I have column B with 50 numbers. I want to set up column C so that in
> C2, if B2=B1 and then it returns a value or something like false. It
> really doesn't matter what it returns though.
>
> Then in C3, if B3=B2 OR B3=B1 then it returns the false value
>
> Then in C4, if B4=B3 OR B4=B2 OR B4=B1 then it returns the false.
>
> Then in C5, if B5=B4 OR B5=B3 OR B5=B2 OR B5=B1 then it returns the
> false value.
>
>
> I think I could do it with alot of logical statements, but you can
> only put 30 conditions into one cell. With a list of 50 numbers that
> isn't enough, so Im kinda of stuck.
```
 0
jemcgimpsey (6723)
4/25/2004 10:05:05 PM
```See .misc. Please don't multipost, you waste people's time.

Best wishes Harald

```
 0
innocent (844)
4/25/2004 10:07:26 PM
```Enter in Cell C2:
=ISNA(VLOOKUP(B3,\$B\$2:B2,1,FALSE))
and then drag down.
The contents of cell C50 should look like this:
=ISNA(VLOOKUP(B50,\$B\$2:B49,1,FALSE))

If there's a match, then you'll get "false", otherwise, you'll get "true".

Regards,

Bill

"Joe" <jespl1@excite.com> wrote in message
> What i want to do is really simple.
>
> I have column B with 50 numbers. I want to set up column C so that in
> C2, if B2=B1 and then it returns a value or something like false. It
> really doesn't matter what it returns though.
>
> Then in C3, if B3=B2 OR B3=B1 then it returns the false value
>
> Then in C4, if B4=B3 OR B4=B2 OR B4=B1 then it returns the false.
>
> Then in C5, if B5=B4 OR B5=B3 OR B5=B2 OR B5=B1 then it returns the
> false value.
>
>
> I think I could do it with alot of logical statements, but you can
> only put 30 conditions into one cell. With a list of 50 numbers that
> isn't enough, so Im kinda of stuck.

```
 0
T.W.Allen (27)
4/25/2004 11:47:43 PM

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