diff --git a/Laura_Calculator.rb b/Laura_Calculator.rb
new file mode 100644
index 0000000..39d7c7b
--- /dev/null
+++ b/Laura_Calculator.rb
@@ -0,0 +1,52 @@
+puts "type any number"
+num_1 = gets.chomp
+until num_1.to_i.to_s == num_1 || num_1.to_f.to_s == num_1
+  puts "this is not a number"
+  num_1 = gets.chomp
+end
+num_1 = num_1.to_f
+
+puts "type another number"
+num_2 = gets.chomp
+until num_2.to_i.to_s == num_2 || num_2.to_f.to_s == num_2
+  puts "this is not a number"
+  num_2 = gets.chomp
+end
+num_2 = num_2.to_f
+
+puts "What kind of operation would you like to aply to these numbers?"
+puts "The options are add (+), subtract (-), multiply (*) and divide (/)."
+
+operation = gets.chomp.downcase
+
+until ["add", "+", "subtract", "-", "multiply", "*", "divide", "/"].include?(operation)
+  puts "sorry! that is not an option! try it again."
+  operation = gets.chomp.downcase
+end
+
+
+def add(num_1, num_2)
+  num_1 + num_2
+end
+
+def subtract(num_1, num_2)
+  num_1 - num_2
+end
+
+def multiply(num_1, num_2)
+  num_1 * num_2
+end
+
+def divide(num_1, num_2)
+  num_1 / num_2
+end
+
+if operation == "add" || operation == "+"
+  puts "#{num_1} + #{num_2} =  #{add(num_1, num_2)} "
+elsif operation == "subtract" || operation == "-"
+  puts "#{num_1} - #{num_2} =  #{subtract(num_1, num_2)} "
+elsif operation == "multiply" || operation == "*"
+  puts "#{num_1} * #{num_2} =  #{multiply(num_1, num_2)} "
+elsif operation == "divide" || operation == "/"
+  puts "#{num_1} / #{num_2} =  #{divide(num_1, num_2)} "
+end
diff --git a/laura_calculator.rb b/laura_calculator.rb
new file mode 100644
index 0000000..dfa2e99
--- /dev/null
+++ b/laura_calculator.rb
@@ -0,0 +1,52 @@
+puts "type any number"
+num_1 = gets.chomp
+until num_1.to_i.to_s == num_1
+  puts "this is not a number"
+  num_1 = gets.chomp
+end
+num_1 = num_1.to_f
+
+puts "type another number"
+num_2 = gets.chomp
+until num_2.to_i.to_s == num_2
+  puts "this is not a number"
+  num_2 = gets.chomp
+end
+num_2 = num_2.to_f
+
+puts "What kind of operation would you like to aply to these number?"
+puts "The options are add (+), subtract (-), multiply (*) and divide (/)."
+
+operation = gets.chomp.downcase
+
+until ["add", "+", "subtract", "-", "multiply", "*", "divide", "/"].include?(operation)
+  puts "sorry! that is not an option! try it again."
+  operation = gets.chomp.downcase
+  end
+
+
+def add(num_1, num_2)
+  num_1 + num_2
+end
+
+def subtract(num_1, num_2)
+  num_1 - num_2
+end
+
+def multiply(num_1, num_2)
+  num_1 * num_2
+end
+
+def divide(num_1, num_2)
+  num_1 / num_2
+end
+
+if operation == "add" || operation == "+"
+  puts "#{num_1} + #{num_2} =  #{add(num_1, num_2)} "
+elsif operation == "subtract" || operation == "-"
+ puts "#{num_1} - #{num_2} =  #{subtract(num_1, num_2)} "
+elsif operation == "multiply" || operation == "*"
+  puts "#{num_1} * #{num_2} =  #{multiply(num_1, num_2)} "
+elsif operation == "divide" || operation == "/"
+  puts "#{num_1} / #{num_2} =  #{divide(num_1, num_2)} "
+end