RomanNumericals

RomanNumericals is a library to exchange arabic numbers to roman style.

Add this line to your application's Gemfile:

gem 'roman_numericals'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install roman_numericals

Before usage, you should import this library code below:

require "roman_numericals"

Also, you can exchange arabic number to roman style with codes below:

9.to_roman # => IX
100.ro_roman # => C

If you will exchange not positive number under 3999, it will raise InvalidNumberError:

0.to_roman # => InvalidNumberError
-1.to_roman # => InvalidNumberError
4000.to_roman # => InvalidNumberError

You can on CLI.

$ roman_numericals 9
IX

After checking out the repo, run bin/setup to install dependencies. Then, run rake test-unit to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/tomoya-kwansei/roman_numericals.

The gem is available as open source under the terms of the MIT License.