Signum Documentation

The documentation comes from the Markdown files in the source code, so is always up-to-date but available only in English. Enjoy!

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A javascript library for formatting and manipulating numbers.

Website and documentation

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Please submit all pull requests to the develop branch.

  1. Fork the library

  2. Run npm install to install dependencies

  3. Add your tests to the files in /tests

  4. To test your tests, run npm test

  5. When all your tests are passing, submit a pull request to the develop branch.


Language tags follow the BCP 47 specification.

Language translations will not be merged without unit tests.

See the english unit tests for an example.


See For the original project (Numeral.js) changelog, see


numbro is forked from Adam Draper's project Numeral.js, which was in turn inspired by and heavily borrowed from Moment.js.


Copyright © 2017 Benjamin Van Ryseghem

Copyright © 2015-2017 Företagsplatsen AB

Copyright © 2014 Adam Draper

Distributed under the MIT license. If you want to know more, see the LICENSE file.

The original license file for Numeral.js can be found in LICENSE-Numeraljs