diff --git a/projects/samskivert/src/java/com/samskivert/velocity/DataTool.java b/projects/samskivert/src/java/com/samskivert/velocity/DataTool.java
index 36dca44b..7e0b261c 100644
--- a/projects/samskivert/src/java/com/samskivert/velocity/DataTool.java
+++ b/projects/samskivert/src/java/com/samskivert/velocity/DataTool.java
@@ -44,4 +44,12 @@ public class DataTool
     {
         return a/b;
     }
+
+    /**
+     * Double addition.
+     */
+    public double add (double a, double b)
+    {
+        return a + b;
+    }
 }