diff --git a/Tables.html b/Tables.html
index 2322456..07cddd7 100644
--- a/Tables.html
+++ b/Tables.html
@@ -109,6 +109,18 @@ <h2 id="data-structures">Common Data Structure Operations</h2>
       <td><code class="yellow">O(n)</code></td>
       <td><code class="yellow">O(n)</code></td>
     </tr>
+    <tr>
+      <td><a href="http://en.wikipedia.org/wiki/Hash_table">Heap</a></td>
+      <td><code class="gray">&Theta;(1)</code></td>
+      <td><code class="green">O(n)</code></td>
+      <td><code class="green">&Theta;(log(n))</code></td>
+      <td><code class="green">&Theta;(log(n))</code></td>
+      <td><code class="gray">&Theta;(1)</code></td>
+      <td><code class="green">O(n)</code></td>
+      <td><code class="green">&Theta;(log(n))</code></td>
+      <td><code class="green">&Theta;(log(n))</code></td>
+      <td><code class="yellow">O(n)</code></td>
+    </tr>
     <tr>
       <td><a href="http://en.wikipedia.org/wiki/Binary_search_tree">Binary Search Tree</a></td>
       <td><code class="yellow-green">&Theta;(log(n))</code></td>