require 'jcode'

class NumberConverter
        attr_reader :decimal
        def initialize (number, base)
                @number = number
                @base = base
                @integer = @number.to_i #the integer portion of the float
                @decimal = (@number.to_s.split(".")[1]).reverse.to_i #the decimal portion of the float, flipped
        end
       
        def to_base(base)
                chars =("0".."9").to_a+("A".."Z").to_a
                answer = ""
                temp = @integer
                until (temp == 0) do
                        answer = chars[(temp %base)] + answer #adds to front of answer
                        temp /= base
                end
                temp = @decimal
                answer += "."
                until (temp == 0) do
                        answer += chars[(temp %base)] #adds to back of answer
                        temp /= base
                end
                answer.empty? ?  "0" : answer
        end
end

puts (NumberConverter.new(50.05 s, 10).to_base(16))