cs271proj1 by sexton

#Dereck Sexton
#CS271/BIO371
#programming assignment 1
#Dr. Krane and Dr. Raymer

#program that takes in a set number(user specified) values
#  and calculates the average of the sum total of values

#There is a lot of extra code in this program to help me
#  get a feel for the language

number = ask " How many numbers would you like to average?"
number = number.to_i

avg = 0.0
arrAvg = 0.0
item = 0.0
numArr = Array.new

#first way of adding items together
#stores values in an array
number.times do
  item = ask "Enter a value."
  item = item.to_i
  numArr << item
  avg = avg + item
end

#second way of averaging items
#computes the total sum from the array
number.times do
  arrAvg = numArr.shift + arrAvg
end

#calculates the averages of both methods
arrAvg = arrAvg / number
avg = avg / number

#compares the averages of both methods
if avg == arrAvg
  alert "The average of the " + number.to_s + " numbers you entered is " + avg.to_s + "."
else
  alert "precision error"
end

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