diff --git a/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/NotImplementedFunction.java b/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/NotImplementedFunction.java
new file mode 100644
index 000000000..82a12c589
--- /dev/null
+++ b/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/NotImplementedFunction.java
@@ -0,0 +1,25 @@
+/*
+ * Created on May 6, 2005
+ *
+ */
+package org.apache.poi.hssf.record.formula.functions;
+
+import org.apache.poi.hssf.record.formula.eval.ErrorEval;
+import org.apache.poi.hssf.record.formula.eval.Eval;
+
+/**
+ * 
+ * @author Amol S. Deshmukh < amolweb at ya hoo dot com >
+ * This is the default implementation of a Function class. 
+ * The default behaviour is to return a non-standard ErrorEval
+ * "ErrorEval.FUNCTION_NOT_IMPLEMENTED". This error should alert 
+ * the user that the formula contained a function that is not
+ * yet implemented.
+ */
+public class NotImplementedFunction implements Function {
+
+    public Eval evaluate(Eval[] operands, int srcRow, short srcCol) {
+        return ErrorEval.FUNCTION_NOT_IMPLEMENTED;
+    }
+
+}