format cell to know number of another cell automatically

D

Dee

If you have a spread sheet and you have multiple cells that have the same
numbers, i.e if cell A3= 15.90 cell B3 is always going to be 18.30. If I
type 15.90 into any other cell A is there anyway to format the sheet to
know that cell B will auto fill with 18.30?
 
B

Bernard Liengme

Not a format but a formula
In the B3 enter: =IF(A3=15.90,18.30,"")
If needed, copy down the column
best wishes
 
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