IF function with date

C

Christina

This seems really basic, but I looked and looked and couldn't find an
answer....

A B C
Date Wage OT Calc
2/1/2000 $7.50
1/1/2000 $8.00

In column C, I want the calculation to take the wage and double it, if the
date in A1 is on or after 2/1/2000. Thanks in advance!
 
B

Biff

Hi!

A couple of things:

That's obviously Jan 1 2000.
if the date in A1 is on or after 2/1/2000

Is that Jan 2 2000 or Feb 1 2000 ?

Also, based on your little table wouldn't that date be in A2?

Try this:

=IF(AND(COUNT(A2:B2)=2,A2>=DATE(2000,?,?)),B2*2,"")

Replace the ?'s with the month and day.

Biff
 
C

Christina

Thank you very much. Just a follow up question and some clarification. Yep,
you're right, the first actual date would have been in cell A2. And, the
format I'm using is m/d/yyyy. So, your function works, but I'm a little
confused about why I need the COUNT function? If I just use

=IF(A2>=DATE(2000,2,1)),B2*2,"") rather than
=IF(AND(COUNT(A2:B2)=2,A2>=DATE(2000,?,?)),B2*2,"")

it seems to work. What am I missing? _c
 
B

Biff

The Count function is just to make sure that both a true Excel date and a
wage value have been entered. That way, the formula cell doesn't display an
intermediate incorrect result. For example, without the Count function, if
you enter a date that meets the criteria before you enter a wage the formula
would return 0 until you also enter the wage. With the Count function the
formula cell remains blank until both values have been entered.

Biff
 
C

Christina

You are clearly smarter than I ! Thanks for explaining, I definitely get it
now! _c
 
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