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NumberSeparator

is an option for NumberForm and related functions that gives the string to insert at breaks between digits.

Details
Details and Options Details and Options
Examples  
Basic Examples  
Scope  
See Also
Tech Notes
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NumberSeparator

NumberSeparator

is an option for NumberForm and related functions that gives the string to insert at breaks between digits.

Details

  • NumberSeparator->"s" specifies that the string s should be inserted at every break between digits specified by DigitBlock.
  • NumberSeparator->{"sleft","sright"} specifies different strings to be used on the left and right of the decimal point.
  • The default setting is NumberSeparator->{","," "}.
  • NumberSeparator can also be used to specify the strings to assume for breaks between digits with Interpreter["Number",…].

Examples

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Basic Examples  (3)

The default separator is a comma (,):

Use spaces instead:

Interpret numbers with a custom separator:

Scope  (3)

Use NumberSeparator with PaddedForm:

EngineeringForm:

ScientificForm:

AccountingForm:

Specify different separators to the left and right of the number point:

The default number separators and number point:

Switch the role of periods and commas in the representation:

Wolfram Research (1988), NumberSeparator, Wolfram Language function, https://reference.wolfram.com/language/ref/NumberSeparator.html (updated 2014).

Text

Wolfram Research (1988), NumberSeparator, Wolfram Language function, https://reference.wolfram.com/language/ref/NumberSeparator.html (updated 2014).

CMS

Wolfram Language. 1988. "NumberSeparator." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2014. https://reference.wolfram.com/language/ref/NumberSeparator.html.

APA

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

BibTeX

@misc{reference.wolfram_2025_numberseparator, author="Wolfram Research", title="{NumberSeparator}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/NumberSeparator.html}", note=[Accessed: 08-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_numberseparator, organization={Wolfram Research}, title={NumberSeparator}, year={2014}, url={https://reference.wolfram.com/language/ref/NumberSeparator.html}, note=[Accessed: 08-August-2025]}