If a formula evaluates to an error, this function delivers a value you specify; otherwise, it returns the formula’s result. To catch and manage mistakes in a formula, use the IFERROR function.
Syntax:
=IFERROR (value, value_if_error)
Parameter list:
value – the value, reference, or formula that will be used to look for errors.
If the formula evaluates to an error, value if error is the value to return. The following categories of errors are assessed: #VALUE!, #REF!, #DIV/0!, #NUM!, #NAME?, or #NULL! are all valid options.
If the test is an error and the value is null, it returns a blank; if the test is an error and the value is not null, it returns the value; if the test is not an error, it returns the test.
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