From 36ccf2e20856923eb33d9fe25e29265ca605c637 Mon Sep 17 00:00:00 2001
From: arangn <35782635+arangn@users.noreply.github.com>
Date: Wed, 8 Aug 2018 10:11:32 -0700
Subject: [PATCH] Create calculator.rb

---
 calculator.rb | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 calculator.rb

diff --git a/calculator.rb b/calculator.rb
new file mode 100644
index 0000000..e3ca1ed
--- /dev/null
+++ b/calculator.rb
@@ -0,0 +1,26 @@
+puts "Welcome to your calculator. Choose from the following operations: \n 1. add (+) \n 2. subtract (-) \n 3. multiply (*) \n 4. divide (/) \n Please type the name or symbol for the operator you would like to use"
+
+chosen_operator = gets.chomp!
+
+#gets numbers from user
+  puts "First number:"
+  first_number = gets.chomp.to_f
+  puts "Second number:"
+  second_number = gets.chomp.to_f
+
+#checking if number is integer by dividing it by itself
+  if first_number / first_number == 1 && second_number / second_number == 1
+
+    if chosen_operator == "add" || chosen_operator == "+"
+      puts "#{first_number} + #{second_number} = #{first_number + second_number}"
+    elsif chosen_operator == "subtract" || chosen_operator == "-"
+      puts "#{first_number} - #{second_number} = #{first_number - second_number}"
+    elsif chosen_operator == "multiply" || chosen_operator == "*"
+      puts "#{first_number} * #{second_number} = #{first_number * second_number}"
+    elsif chosen_operator == "divide" || chosen_operator == "/"
+      puts "#{first_number} / #{second_number} = #{first_number / second_number}"
+    end
+    
+#if number wasn't an integer, will display option to re-input
+elsif puts "Sorry, that wasn't a number. Try again."
+  end