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system 10.9 of 26/11/2025,
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FORESIGHT
IsError(Value)
Value. Checked value.
It checks if the value is error.
It returns TRUE if the value refers is error, otherwise it returns FALSE.
Numbers, empty cells, logical values, text, cell references, and formulas can be used as a parameter value.
| Formula | Result | Description |
| =IsError(C2:E9) | FALSE | The range of cells C2:E9 does not contain errors. |
See also:
Function Wizard │ Logical Functions