ExactNumberQ
Examples
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Both real and imaginary parts of a complex number must be exact:
ExactNumberQ is false for symbolic objects that represent numbers:
You can test these with NumericQ:
Wolfram Research (1999), ExactNumberQ, Wolfram Language function, https://reference.wolfram.com/language/ref/ExactNumberQ.html.
Text
Wolfram Research (1999), ExactNumberQ, Wolfram Language function, https://reference.wolfram.com/language/ref/ExactNumberQ.html.
CMS
Wolfram Language. 1999. "ExactNumberQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/ExactNumberQ.html.
APA
Wolfram Language. (1999). ExactNumberQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/ExactNumberQ.html