ISERROR
Formulas / ISERRORTest for errors in Sourcetable.
ISERROR(expression)
- value - required, expression to test for error
Examples
=ISERROR(A1)The ISERROR function is used to check if a value or expression returns an error. For example this will return TRUE if A1 contains an error.
=IFERROR(A1, "Error")The ISERROR function can also be used to return a value if an error is found in an expression. For instance, this will return Error if A1 contains an error.
=ISERROR(VALUE("abc"))Another way to use the ISERROR function is to check if a certain value is an error. For example, this will return TRUE because the value abc is not a valid number.
=ISERROR(SUM(A1:A10))The ISERROR function can also be used to check if a formula returns an error. For example this will return TRUE if the sub formula returns an error.
Summary
The ISERROR function is a useful information function that returns TRUE if the value is an error. It is a quick and efficient way to identify and handle errors in data.
- The ISERROR function can be used with the IF function to test for errors in a data set and display a custom message if an error is found.
- The ISERROR function takes one argument, a value, typically a cell reference.
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Frequently Asked Questions
What is the ISERROR function?
What are the advantages of using ISERROR?
- ISERROR can be used to detect an error in an expression.
- It can help identify errors in code and simplify debugging.
- It can be used to handle errors in a more efficient manner.
What are some tips for using ISERROR?
- Make sure to use the ISERROR function with the correct syntax.
- Test the expression to make sure it returns the correct value before using the ISERROR function.
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