returns True if expr is an inexact real or complex number, and returns False otherwise.



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Basic Examples  (1)

InexactNumberQ tests whether an object is explicitly an inexact number:

Scope  (2)

An approximate zero is inexact:

Either real or imaginary parts of a complex number can be inexact:

If both real and imaginary parts are exact, then the number is not inexact:

Properties & Relations  (4)

Numbers are considered either exact or approximate (inexact):

Inexact numbers have Precision less than :

Inexact numbers have head Real or Complex:

A function equivalent to InexactNumberQ:

Introduced in 1999