diff --git a/res/xml/numeric.xml b/res/xml/numeric.xml
index 6e70c51..087b625 100644
--- a/res/xml/numeric.xml
+++ b/res/xml/numeric.xml
@@ -6,7 +6,7 @@
     <key key0="7" key1="&lt;" key2="&gt;"/>
     <key key0="8" key2="∞"/>
     <key key0="9" key2="π"/>
-    <key width="0.75" key0="*" key1="√" key2="×"/>
+    <key width="0.75" key0="*" key1="√" key2="×" key3="\#"/>
     <key width="0.75" key0="/" key1="%" key3="÷"/>
   </row>
   <row>