kennyt

class Array
	def sum
		answer = 0
		self.each do |number|
			answer = answer + number
		end
		answer
	end

	def square

kennyt

class RPNCalculator
	attr_accessor :calculator

	def initialize
		@calculator = []
	end

	def push (number)
		@calculator << number
	end

kennyt

class Dictionary
	def initialize
		@dictionary = {}
	end

	def entries
		@dictionary
	end

	def add (entry)

kennyt

class Timer

	def initialize
		@seconds = 0
	end

	def seconds= (seconds)
		@seconds = seconds
	end

kennyt

class Book
	attr_accessor :title

	def title= (title)
		do_not_capitalize = %w{the and a an in of}
		answer = []
		title.split(' ').each do |word|
			do_not_capitalize.include?(word) ? word = word.downcase : word = word.capitalize
			word == "i" ? word = word.capitalize : word
			answer << word

kennyt

class Temperature
	def initialize (input)
		@temperature = input
	end

	def ftoc (number)
		number * 9/5.to_f + 32
	end

	def ctof (number)

kennyt

class Friend
	def greeting(person = nil)
		person.nil? ? "Hello!" : "Hello, #{person}!"
	end
end

kennyt

def measure number=1, &someproc
	start_time = Time.now
	number.times {someproc.call}
	run_time = (Time.now - start_time) / number
end

kennyt

def reverser &proc
	answer = []
	proc.call.split(' ').each do |word|
		answer<<word.reverse
	end
answer.join(' ')
end

def adder number=1, &proc
	number + proc.call

kennyt

def translate (phrase)

	vowels = %w{a e i o u}
	words = phrase.split(' ')
	first_letter_of_phrase = phrase.scan(/./).first
	new_phrase = []

	words.each do |word|															
		word = word.downcase
		first_letter = word.scan(/./).first