Amber Lynn - Calculator - Edges

Amber-Lynn_redux.rb

@@ -0,0 +1,96 @@
+puts "Welcome to the Calculator program!"
+
+expression = ["add(+)", "subtract(-)", "multiply(*)", "divide(/)"]
+
+expression.count.times do |i|
+puts "#{i + 1}." + "#{expression[i]}"
+end
+
+prompt = "Which operator would you like to use: "
+operator_error = "Incorrect operator"
+number_error =  "Error - Numbers Only - Try Again"
+
+def calculate_with_addition( num_one, num_two )
+return num_one + num_two
+end
+
+
+def calculate_with_subtraction( num_one, num_two )
+return num_one - num_two
+end
+
+
+def calculate_with_multiplication( num_one, num_two )
+return num_one * num_two
+end
+
+
+def calculate_with_division( num_one, num_two )
+return num_one / num_two
+end
+####################
+in_progress = true
+
+while in_progress
+  in_progress = false
+
+print prompt
+chosen_operator = gets.chomp
+ until chosen_operator  == "add" || chosen_operator  == "+" || chosen_operator  == "subtract" || chosen_operator  == "-" || chosen_operator  == "multiply" || chosen_operator  == "*" || chosen_operator  == "divide" || chosen_operator  == "/"  # change to case
+  puts operator_error
+  puts prompt
+  chosen_operator = gets.chomp
+end
+
+print "Choose a number: "
+first_number = gets.chomp.to_i
+until first_number !~ /[0-9]+/
+puts number_error
+  first_number = gets.chomp
+end
+
+print "Choose another number: "
+second_number = gets.chomp.to_i
+until second_number !~ /[0-9]+/
+  puts number_error
+  second_number = gets.chomp
+end
+
+if chosen_operator == "add" || chosen_operator == "+"
+  added_result = calculate_with_addition(first_number, second_number)
+  puts "#{first_number} + #{second_number} = #{added_result}"
+  puts "The answer is #{added_result}"
+
+elsif chosen_operator == "subtract" || chosen_operator == "-"
+  subtracted_result = calculate_with_subtraction(first_number, second_number)
+  puts "#{first_number} - #{second_number} = #{subtracted_result}"
+  puts "The answer is #{subtracted_result}"
+
+elsif chosen_operator == "multiply" || chosen_operator == "*"
+  multiplied_result = calculate_with_multiplication(first_number, second_number)
+  puts "#{first_number} * #{second_number} = #{multiplied_result}"
+  puts "The answer is #{multiplied_result}"
+
+elsif chosen_operator == "divide" || chosen_operator == "/"
+  divided_result = calculate_with_division(first_number, second_number)
+  puts "#{first_number} / #{second_number} = #{divided_result}"
+  puts "The answer is #{divided_result}"
+
+else
+  puts error
+  puts prompt
+  chosen_operator = gets.chomp
+end
+
+puts "Do you want to continue?"
+continue_program = gets.chomp
+
+if continue_program == "yes" || continue_program == "YES" || continue_program == "Yes" || continue_program == "y"
+  puts "\n"
+  in_progress = true
+else
+  puts "\n"
+  in_progress = false
+end
+
+end

calculator.rb

@@ -0,0 +1,91 @@
+puts "Welcome to the Nifty Calculator program!"
+
+expression = ["add(+)", "subtract(-)", "multiply(*)", "divide(/)"]
+
+expression.count.times do |i|
+puts "#{i + 1}." + "#{expression[i]}"
+end
+
+prompt = "Which operator would you like to use: "
+operator_error = "Incorrect operator"
+number_error =  "Error - Numbers Only - Try Again"
+
+def calculate_with_addition( num_one, num_two )
+return num_one + num_two
+end
+
+
+def calculate_with_subtraction( num_one, num_two )
+return num_one - num_two
+end
+
+
+def calculate_with_multiplication( num_one, num_two )
+return num_one * num_two
+end
+
+
+def calculate_with_division( num_one, num_two )
+return num_one / num_two
+end
+####################
+in_progress = true
+
+while in_progress
+  in_progress = false
+
+print prompt
+chosen_operator = gets.chomp
+ until chosen_operator  == "add" || chosen_operator  == "+" || chosen_operator  == "subtract" || chosen_operator  == "-" || chosen_operator  == "multiply" || chosen_operator  == "*" || chosen_operator  == "divide" || chosen_operator  == "/"  # change to case
+  puts operator_error
+  puts prompt
+  chosen_operator = gets.chomp
+end
+
+print "Choose a number: "
+first_number = gets.chomp.to_i
+until first_number !~ /\p{Digit}/
+puts number_error
+  first_number = gets.chomp
+end
+
+print "Choose another number: "
+second_number = gets.chomp.to_i
+until second_number !~ /\p{Digit}/
+  puts number_error
+  second_number = gets.chomp
+end
+
+if chosen_operator == "add" || chosen_operator == "+"
+  added_result = calculate_with_addition(first_number, second_number)
+  puts "The answer is #{added_result}"
+
+elsif chosen_operator == "subtract" || chosen_operator == "-"
+  subtracted_result = calculate_with_subtraction(first_number, second_number)
+  puts "The answer is #{subtracted_result}"
+
+elsif chosen_operator == "multiply" || chosen_operator == "*"
+  multiplied_result = calculate_with_multiplication(first_number, second_number)
+  puts "The answer is #{multiplied_result}"
+
+elsif chosen_operator == "divide" || chosen_operator == "/"
+  divided_result = calculate_with_division(first_number, second_number)
+  puts "The answer is #{divided_result}"
+
+else
+  puts error
+  puts prompt
+  chosen_operator = gets.chomp
+end
+
+puts "Do you want to continue?"
+close_program = gets.chomp
+
+if close_program == "yes" || close_program == "YES" || close_program == "Yes"
+  in_progress = true
+else
+  puts "Thanks for using the Nifty Calculator"
+  in_progress = false
+end
+
+end