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Underflow[]

represents a number too small to represent explicitly on your computer system.

Examples  
Basic Examples  
Scope  
Properties & Relations  
See Also
History
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Underflow

Underflow[]

represents a number too small to represent explicitly on your computer system.

Examples

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Basic Examples  (1)

Wolfram Language code: $MinNumber
Wolfram Language code: % / 2

Scope  (1)

Underflow[] plus any approximate number gives that number:

Wolfram Language code: Underflow[] + 1.

Properties & Relations  (3)

Underflow[] is considered a Real number:

Wolfram Language code: NumberQ[Underflow[]]
Wolfram Language code: MatchQ[Underflow[], _Real]

Underflow[] has a smaller magnitude than any explicit number:

Wolfram Language code: Underflow[] < $MinNumber

The reciprocal of Underflow[] is Overflow[]:

Wolfram Language code: 1 / Underflow[]
Wolfram Research (1988), Underflow, Wolfram Language function, https://reference.wolfram.com/language/ref/Underflow.html.

Text

Wolfram Research (1988), Underflow, Wolfram Language function, https://reference.wolfram.com/language/ref/Underflow.html.

CMS

Wolfram Language. 1988. "Underflow." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Underflow.html.

APA

Wolfram Language. (1988). Underflow. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Underflow.html

BibTeX

@misc{reference.wolfram_2026_underflow, author="Wolfram Research", title="{Underflow}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/Underflow.html}", note=[Accessed: 13-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_underflow, organization={Wolfram Research}, title={Underflow}, year={1988}, url={https://reference.wolfram.com/language/ref/Underflow.html}, note=[Accessed: 13-June-2026]}