Olivia_Stacks_Calculator.rb

Stacks_Olivia_Calculator_.rb

@@ -0,0 +1,37 @@
+puts "Let's do some math. What kind of math should we do?"
+
+operator = gets.chomp
+until ["add", "+", "addition", "plus", "subtract", "subtraction", "-", "multiply", "*", "times", "multiplication", "division", "/", "divide"].include?(operator)
+  puts "Uh, yeah. Right. Also, please tell me to add (+), subtract (-)!, multiply, divide, etc..."
+  operator = gets.chomp
+end
+
+puts "Good job. Enter a number."
+num1 = gets.chomp.to_f
+https://github.com/Ada-C7/ride-share
+until num1 =~ /\A[+-]?\d+(\.[\d]+)?\z/.match(num1)
+  puts "Please enter a JUST A NUMBER, Shakespeare."
+end
+
+puts "We'll need one more number to do stuff."
+num2 = gets.chomp.to_f
+until num2 =~ /\A[+-]?\d+(\.[\d]+)?\z/.match(num2)
+  puts "You have terrible short-term memory. Sorry. JUST A NUMBER."
+end
+
+def calculate(num1, num2, operator)
+  case operator
+  when "add", "+", "addition", "plus"
+    puts (num1 + num2)
+  when "minus", + "-", "subtraction"
+    puts (num1 - num2)
+  when "multiply", "*", "times", "multiplication"
+    puts (num1 * num2)
+  when "division", "/", "divide"
+    puts (num1 / num2)
+  else puts "Whatevuh. What even is that?"
+  end
+end
+
+calculate(num1, num2, operator)
+

Stacks_Olivia_Calculator_Sunday.rb

@@ -0,0 +1,96 @@
+
+puts "Let's do some math. What kind of math should we do?"
+
+operator = gets.chomp
+
+until ["+", "-", "*", "/"].include?(operator)
+  puts "Neato, but please tell me to (+), (-), (*), (/)."
+  operator = gets.chomp
+end
+
+puts "Good job. Now enter a number."
+num1 = gets.chomp
+
+unless num1.match(/\d(?![a-zA-Z])/)
+  puts "Please just enter a digit, Shakespeare."
+else
+  puts "We'll need one more number to do stuff."
+  #num1.match(/\d(?![a-zA-Z])/) == nil
+end
+
+#while num1.match(/\d(?![a-zA-Z])/) == nil
+
+num2 = gets.chomp
+
+unless num2.match(/\d(?![a-zA-Z])/)
+  puts "You have terrible short-term memory. Sorry. Just enter a number."
+  #num2 = gets.chomp
+else  #num2.match(/\d(?![a-zA-Z])/) == true
+  puts "...Let's do the math..."
+end
+
+
+def calculate(num1, num2, operator)
+  num1 = num1.to_i.to_f
+  num2 = num2.to_i.to_f
+  case operator
+  when "+"
+    puts (num1 + num2)
+  when "-"
+    puts (num1 - num2)
+  when "*"
+    puts (num1 * num2)
+  when "/"
+    puts (num1 / num2)
+  end
+end
+puts "#{num1}#{operator}#{num2} "
+calculate(num1, num2, operator)
+
+
+
+#things I tried that didn't work well or at all:
+
+#def alpha_check_loop(input)
+#alpha_check_loop(num1)
+# puts "We'll need one more number to do stuff."
+# num2 = gets chomp
+# alpha_check_loop(num1)
+
+#regexs i tried: `num1 =~ /\A[+-]?\d+(\.[\d]+)?\z/.match(num1)`
+# `num2 =~ /\A[+-]?\d+(\.[\d]+)?\z/.match(num2)``
+
+# until num1.match(/\d(?![a-zA-Z])/)
+#   puts "Please enter a just a number, Shakespeare."
+#   if num1.match(/\d(?![a-zA-Z])/)
+#     puts "Great. We'll need one more number to do stuff."
+#     num1 = num1.to_i
+#   end
+# end
+# num2 = gets.chomp
+# until num2.match(/\d(?![a-zA-Z])/)
+#   puts "You have terrible short-term memory. Sorry. Just enter a number."
+#   if num2.match(/\d(?![a-zA-Z])/)
+#     puts "...Let's do the math..."
+#     num2 = num2.to_i
+#   end
+# end
+
+#if num1 == "0"
+# def numeric?(num1)
+#     Float(self) != nil rescue false
+#   end
+# def number?(num1)
+#   num1 = num1.to_s unless obj.is_a? String
+#   /\A[+-]?\d+(\.[\d]+)?\z/.match(obj)
+# end
+# #=~ /\A[+-]?\d+(\.[\d]+)?\z/
+
+# def letter?(input)
+#   num1 =~ /[[:alpha:]]/
+#
+# end
+#
+# def numeric?(lookAhead)
+#   lookAhead =~ /[[:digit:]]/
+#end