How do I write formula to conditional format using =if(and(or)

D

Don from Missouri

I need to compare the values in two cells, A1 and B1, I wish to put the
conditional formating on cell b1.

I need to determine if A1<0 and B1>0 or if A1>0 and B1<0.

If either of these two conditions occur, I need the cell of b1 to turn yellow.

I have tried using =if(and(a1<0,b1>0), =if(or(and(a1>0,b1<0), ???????

Any assistance would be appreciated.

Thanks! Don
 
D

Don from Missouri

This solution is so simple, yet it is brilliant and obvious. Thank you ever
so much!

Don
 
D

Don from Missouri

Thank you for your response. This solution did not work. Perhaps I mis
kedyed it. Another response of =A1*b1<0 did work.
Thank you for your response.

Don
 
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