Returns TRUE if number/path/refnum is not a number (NaN), not a path, or not a refnum. Otherwise, this function returns FALSE. NaN can be the result of the square root of a negative number. The connector pane displays the default data types for this polymorphic function.
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number/path/refnum can be a scalar number, path, or file refnum, or it can be a cluster or array of numbers, paths, or refnums. |
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NaN/Path/Refnum? is a Boolean value of the same data structure as number/path/refnum. |