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ISERR function

Returns TRUE if the value is any error value except #N/A

Syntax

ISERR(value)

Square brackets indicate optional arguments.

Arguments

ArgumentRequiredMeaning
valueYesThe value that you want tested. The value argument can be a blank (empty cell), error, logical value, text, number, or reference value, or a name referring to any of these.A1

Try ISERR

Inspect values and errors with ISERR

=ISERR(1/A2)

Division by zero produces an error recognised by ISERR. ISERR excludes #N/A; ISERROR includes it. Change A2 to a nonzero divisor to obtain FALSE.

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Explore the written function calls and their inputs. The calculation result belongs to the complete formula.

ISERR · top-level call

=ISERR(1/A2)

1 / 1 · value

The value that you want tested. The value argument can be a blank (empty cell), error, logical value, text, number, or reference value, or a name referring to any of these.

ISERR reference ↗

Follow the cells behind a result

Read explicit local references and helper formulas using a separate calculation. Your draft stays in this field; the worksheet and practice checks do not change.

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Practice a complete task

Reference and compatibility

Univer 1.0.4 / Apache-2.0. Calculation checks cover the supplied examples only. The browser worksheet does not implement every Excel feature, external service or connected data type.