collectiveidea/unicode_math

# encoding: utf-8

module UnicodeMath
  module Fractions
    def self.included(base)
      base.class_eval do
        # Half
        define_method '½' do
          0.5
        end

        # Thirds
        define_method '⅓' do
          1.0 / 3
        end

        define_method '⅔' do
          2.0 / 3
        end

        # Quarters
        define_method '¼' do
          0.25
        end

        define_method '¾' do
          0.75
        end

        # Fifths
        define_method '⅕' do
          0.2
        end

        define_method '⅖' do
          0.4
        end

        define_method '⅗' do
          0.6
        end

        define_method '⅘' do
          0.8
        end

        # Sixths
        define_method '⅙' do
          1.0 / 6
        end

        define_method '⅚' do
          5.0 / 6
        end

        # Eighths
        define_method '⅛' do
          0.125
        end

        define_method '⅜' do
          0.375
        end

        define_method '⅝' do
          0.625
        end

        define_method '⅞' do
          0.875
        end
      end
    end
  end
end

Kernel.send(:include, UnicodeMath::Fractions)