diff --git a/app/controllers/home_controller.rb b/app/controllers/home_controller.rb
index 2ad1277..93f162f 100644
--- a/app/controllers/home_controller.rb
+++ b/app/controllers/home_controller.rb
@@ -3,14 +3,22 @@ def index
   end
 
   def evaluate
+
     respond_to do |format|
       format.js {
+
+        if session[:code]
+          if params[:code]
+            session[:code]=session[:code]+"\n"+params[:code]
+          end
+        else
+          session[:code]=params[:code]
+        end
         file = File.open('tmp/ruby.rb', 'w')
-        file.syswrite(params["code"])
+        file.syswrite(session[:code])
         file.close
 
         system('ruby tmp/ruby.rb > tmp/result.txt')
-
         @result = File.read('tmp/result.txt')
         @code = params["code"]
 
@@ -19,4 +27,9 @@ def evaluate
 
     end
   end
+
+  def reset
+    session[:code]=nil
+    redirect_to '/'
+  end
 end
diff --git a/app/views/home/index.html.erb b/app/views/home/index.html.erb
index e2b733b..7164424 100644
--- a/app/views/home/index.html.erb
+++ b/app/views/home/index.html.erb
@@ -8,6 +8,9 @@
 
 <div id="editor" style="height: 500px; width: 100%" name="code"></div>
 <button onclick="run()">Run</button>
+<a href="/reset">
+   <button>Reset</button>
+</a>
 <script>
     var editor = ace.edit("editor");
     editor.getSession().setMode("ace/mode/ruby");
diff --git a/config/routes.rb b/config/routes.rb
index 57551a1..72b5cc8 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -2,6 +2,7 @@
   get 'home/index'
   root 'home#index'
   post '/evaluate' => 'home#evaluate'
+  get '/reset' => 'home#reset'
 
   # The priority is based upon order of creation: first created -> highest priority.
   # See how all your routes lay out with "rake routes".