How to write this nested IF function in Excel - excel

Question

I am trying to write the following function in Excel.
if P2 is greater than or equal to 3 and AD2 is 0
OR
if P2 is greater than or equal to 2 and AD2 is greater than or equal to 1
OR
if P2 is greater than or equal to 1 and AD2 is 2
Then do the following:
(H2+V2)/(P2+AD2),-999)
I have had a go at writing the following to no avail.
=IF(AND(P2>=3,AD2>=0),OR(AND(P2>=2,AD2>=1)),OR(AND(P2>=1,AD2>=2)),(H2+V2)/(P2+AD2),-999)
Any pointers in the right direction would be much appreciated as I am a novice at Excel functions.
Many thanks,
Ash

Answer 1

Erm...
I think this is right:
=IF(OR(AND(P2>=3,AD2=0),AND(P2>=2,AD2>=1),AND(P2>=1,AD2=2)),(H2+V2)/(P2+AD2),-999)
You need to nest your different AND conditions within a OR function...
Easiest way to do it, is to have your seperate functions in a cell each and build it up a step at a time, until you're sure it's right.. Then you can paste the function into one cell if required.
Say the below are in Cells A1, A2, A3
=AND(P2>=3,AD2=0)
=AND(P2>=2,AD2>=1)
=AND(P2>=1,AD2=2)
Then your total formula in a cell:
=IF(OR(A1,A2,A3),(H2+V2)/(P2+AD2),-999)

Answer 2

Try this one:
=IF(OR(
AND(P2>=3,AD2>=0),
AND(P2>=2,AD2>=1),
AND(P2>=1,AD2>=2)
),
(H2+V2)/(P2+AD2),-999)
it's slightly unclear from your question what'd be the correct
AND(P2>=3,AD2>=0) and AND(P2>=1,AD2>=2)
or
AND(P2>=3,AD2=0) and AND(P2>=1,AD2=2)
but you can easily modify this behaviour in the formula above.