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Number

represents an exact integer or an approximate real number in Read .

Details
Details and Options Details and Options
Examples  
Basic Examples  
See Also
Tech Notes
Related Guides
History
Cite this Page

Number

represents an exact integer or an approximate real number in Read .

Details

  • An integer is returned if no explicit decimal point is present.
  • Approximate real numbers can be given in C or Fortran forms, such as 2.4E5 or -3.4e-4.

Examples

Basic Examples  (1)

Open a stream:

Read numbers from the stream object:

Close the stream:

See Also

Real   DigitQ

Tech Notes

History

Introduced in 1988 (1.0)

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

Text

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

CMS

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

APA

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

BibTeX

@misc{reference.wolfram_2025_number, author="Wolfram Research", title="{Number}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/Number.html}", note=[Accessed: 04-January-2026]}

BibLaTeX

@online{reference.wolfram_2025_number, organization={Wolfram Research}, title={Number}, year={1988}, url={https://reference.wolfram.com/language/ref/Number.html}, note=[Accessed: 04-January-2026]}

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