diff --git a/include/boost/mpl/accumulate.hpp b/include/boost/mpl/accumulate.hpp
new file mode 100644
index 0000000..b52606e
--- /dev/null
+++ b/include/boost/mpl/accumulate.hpp
@@ -0,0 +1,39 @@
+
+#ifndef BOOST_MPL_ACCUMULATE_HPP_INCLUDED
+#define BOOST_MPL_ACCUMULATE_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2001-2004
+// Copyright David Abrahams 2001-2002
+//
+// Distributed under the Boost Software License, Version 1.0. 
+// (See accompanying file LICENSE_1_0.txt or copy at 
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Source$
+// $Date$
+// $Revision$
+
+#include <boost/mpl/fold.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+
+namespace boost { namespace mpl {
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(Sequence)
+    , typename BOOST_MPL_AUX_NA_PARAM(State)
+    , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp)
+    >
+struct accumulate
+    : fold<Sequence,State,ForwardOp>
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(3,accumulate,(Sequence,State,ForwardOp))
+};
+
+BOOST_MPL_AUX_NA_SPEC(3, accumulate)
+
+}}
+
+#endif // BOOST_MPL_ACCUMULATE_HPP_INCLUDED