Notes on Conditions
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Expression: Any valid formula expression. The expression can be any combination of a constant (integer or real number), a reference, or another function.
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Reference: Any valid reference; thus the IFNN reference property can be used as part of the reference.
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Condition: Any valid condition applied to the complex conditions And, Not, and Or. Those operators can have embedded conditions.
Note:
And, Not, and Or operators require surrounding parentheses.
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When any
expression
within the condition returns an #ERROR or #MISSING value, the If function returns #MISSING or #ERROR. This doesn't apply when you use the IsMissing, IsError, or IsNonNumeric conditions.