Overview
Numerus is a Dart package that provides extensions for converting integers to Roman numerals and vice versa. It simplifies working with Roman numeral representations by offering intuitive methods directly on integer and string types. Ideal for educational apps, historical data processing, or any application requiring Roman numeral formatting. The package supports all major platforms including Android, iOS, Web, macOS, Windows, and Linux, ensuring broad compatibility. With clean, minimal syntax, it enhances code readability and reduces boilerplate when handling numeral conversions.
Use cases
- Converting dates to Roman numerals
- Educational apps for number systems
- Historical document digitization
- Displaying chapter numbers in Roman style
- Game score tracking with Roman numerals
Key features
- Simple integer-to-Roman conversion
- String-to-integer parsing
- Dart extension methods
- Cross-platform support
- Minimal API surface
- Robust error handling
Suitable for
- Developers building math tools
- Educational software
- Apps with historical themes
- Projects needing readable numeral formats
- Users preferring concise syntax
Considerations
- Only handles standard Roman numerals (no subtractive variants beyond common rules)
- Does not support very large numbers (>3999) due to Roman numeral limitations
- No localization support for non-Latin scripts
- Requires manual validation for edge cases like invalid input strings