NYiPhoneDeveloper

# My first program! 

# A factorial program for value i! (integer)!
# example factorial: 6! = 6 * 5 * 4 * 3 * 2 * 1 = 720

factorial = gets()
factorial = factorial.chomp.to_i
number = 0
multiplication = 1

NYiPhoneDeveloper

# Another program that I worked on for a few days.
# I'm still a newbie - but I'm practicing my butt off! 
 
class Calculator
  print "put first value here: \n"
  val_1 = gets()
  val_1 = val_1.chomp.to_i
  
  print "Put second value here: \n"
  val_2 = gets()

NYiPhoneDeveloper

# This is a simple program which gives the |x| absolute value of the integer |x|
# I'm working on an algorithm to get all numbers, floats, bignums, etc.
class Absolute_Value
  print "Put an integer please: \n"
  int = gets()
  int = int.chomp.to_i
  if (int < 0)
    puts -int
  else
    puts int

NYiPhoneDeveloper

# A basic square program - will develop "inches", "ft", "yards" and add more features later! 

class Square
  # The math is meant for a square only!! 
  puts "put the side of the square: "
    length = gets()
    length = length.chomp.to_f
  puts "Would you like: \
  \np = perimeter \
  \nh = hypotenuse \na = area"

NYiPhoneDeveloper

class Electricity
  # for this program - we assume all voltage is 120 volts
  
  # This is a program that calculates the watts, resistance, amps
  # of something as simple as a lightbulb.  
  Voltage = 120
  puts "Only put one value as an integer: \n\n"
  
  variables = []
  variables << Voltage

NYiPhoneDeveloper

# Converts temperatures
class Temperature
  puts "Put the temperature: \n\
If Fahrenheit, put '75 F' if  Celsius, put '75 C' "
  # This makes temp into: [number, string_(argument)]
  value = gets()
  value = value.chomp!.split

    # This is where I will give the two elments name-value 
  temp = value[0].to_f

NYiPhoneDeveloper

# What % is x out of y?
class Percent
  def initialize(value_x, value_y)
    @value_x = value_x
    @value_y = value_y
  end
  def percent
    per = @value_x * 100/@value_y
    # What % is x out of y
    puts "#{@value_x} out of #{@value_y} is #{per}%"

NYiPhoneDeveloper

# Thanks for the inspiration Pat :)

class Convert
  PI = 3.1415
  Rad_to_Deg = 180.0/PI
  Deg_to_Rad = PI/180.0
  def initialize(number)
    @number = number
  end
  # Converts radians to degrees

NYiPhoneDeveloper

class Einstein
# This shows the idea of time dilation. - I.E. Time slows down as you travel closer to the speed of light
  def initialize(percent)
    @percent = percent
  end
  def percent_output
    Math.sqrt(1-((@percent/100)**2))
  end
  def percent
    percent_output = Math.sqrt(1-((@percent/100)**2))

NYiPhoneDeveloper

# Tests for even, or off numbers.

class Testing_Numbers
  def initialize(number)
    @number = number
  end
  def method_1
    result = (@number % 2) # Trying new things here.
    if result == 0
      puts "Number is even"