gistfile1.rbx

module DartsLive
  def self.rating(zero_one_stats, cricket_stats)
    ((0.2 * zero_one_stats - 6) + (5.0 * cricket_stats - 4.5)) / 2
  end

  module NumericExtension
    def need_stats
      {:zero_one => (self + 6) / 0.2, :cricket => (self  +  4.5) / 5}
    end
  end
end

class Numeric
  include DartsLive::NumericExtension
end