Sometimes a formula may return an error message. Usually, you'll want to know when a formula error occurs. But now and then you may prefer to avoid the messages. You can do so by using an IF() function to check for an error.
For example, the formula below displays a blank if the division results in an error.
=IF(ISERROR(A1/B1),"",A1/B1)
You can adapt this technique to any operation. The original formula serves as the argument for the ISERROR() function, and it repeats as the last argument of the IF() function. Like this:
=IF(ISERROR(OriginalFormula),"",OriginalFormula)
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