How to Write an IF Statement with Three Outcomes

hi guys, i need a a formula at B1 which states that:if Ai is a number bigger than 1 show zero but if A1 is 0 show 1.thanks so much

Administrative Note:

We would very much like to help you with your query, however the thread title does not really convey what your request is about. Tell us what you are trying to do, with more detail.

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Follow the instructions in post #3, perhaps?

so , ineed aformula at B1 which says that :if at A1 there is a number bigger than 1 to show 0(zero) and if A1 is zero to show 1 but if A1 is empty to show empty(i mean B1 to be embty)
i try but is not good:=IF(A1>=1,0,1,"") or IF(A1>=1,0,1,)"")

No, sorry - the new title is just as bad as the old one and you have updated the wrong post, anyway. As we are getting nowhere fast, I have done it for you today, but will not help again in future: you must use detailed and explicit thread titles in future.

Try this:

=IF(A1="","",IF(A1=0,1,0))

LOL!

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