numerus
Dart extensions for translating integers to Roman numerals and Roman numeral strings to integers.
2.3.2
81K downloads/mo
#1207 most downloaded on pub.dev
greymouser/dart-numerus
What this package is like to depend on
Last release 3 months ago
07 May 2026
Ships fairly regularly
a new release about every 8 months
Nearly every release is documented
notes for 10 of 10 stable releases
Nothing withdrawn
no release was ever pulled
6 years old
11 releases · first in 2020
1 release in the last 12 months
see the full history below
Release timeline
11 releases · Apr 2020 to May 2026
2021
2022
2023
2024
2025
2026
Releases
latest 11-
2.3.207 May 2026 -
2.3.018 Oct 2024 -
2.2.012 Dec 2023 -
2.1.215 Jun 2023 -
2.0.001 Apr 2022Release notes
Open source →and tally marks)
- NOTE: this change means the maximum value of common/default config is
3,999; 399,999 for 'compact' apostrophus', and 3,999,999 for both
tally mark apostrophus and vinculum styles. - Housekeeping for bigger Dart update, as well as
testandanalyze
cleanup. - Improved code coverage report generation to be "pure Dart" and scripted.
Release notes
Open source →- Support for Vinculum or Apostrophus (both compact with Unicode and tally marks)
- NOTE: this change means the maximum value of common/default config is 3,999; 399,999 for 'compact' apostrophus', and 3,999,999 for both tally mark apostrophus and vinculum styles.
- Housekeeping for bigger Dart update, as well as
testandanalyzecleanup. - Improved code coverage report generation to be "pure Dart" and scripted.
- NOTE: this change means the maximum value of common/default config is
-
1.1.111 Apr 2021 -
1.1.0-nullsafety.122 Nov 2020 pre-release -
1.0.329 Jul 2020 -
1.0.224 Apr 2020 -
1.0.124 Apr 2020 -
1.0.024 Apr 2020Release notes
Open source →- Numerus provides:
- int to Roman Numeral string
- Roman numeral String to int
- Test Roman numeral String for validity
- Numerus provides: