diff --git a/applications/test/BinSum/Make/files b/applications/test/BinSum/Make/files
new file mode 100644
index 0000000000000000000000000000000000000000..34d265d30c766c4e89c21a38a6efb5b701b7835d
--- /dev/null
+++ b/applications/test/BinSum/Make/files
@@ -0,0 +1,3 @@
+Test-BinSum.C
+
+EXE = $(FOAM_USER_APPBIN)/Test-BinSum
diff --git a/applications/test/BinSum/Make/options b/applications/test/BinSum/Make/options
new file mode 100644
index 0000000000000000000000000000000000000000..6a9e9810b3d5ce6684bdaf03143933480ff45e42
--- /dev/null
+++ b/applications/test/BinSum/Make/options
@@ -0,0 +1,2 @@
+/* EXE_INC = -I$(LIB_SRC)/cfdTools/include */
+/* EXE_LIBS = -lfiniteVolume */
diff --git a/applications/test/BinSum/Test-BinSum.C b/applications/test/BinSum/Test-BinSum.C
new file mode 100644
index 0000000000000000000000000000000000000000..fb768f80c6769c1c33850f5f1dea0af987f2ac66
--- /dev/null
+++ b/applications/test/BinSum/Test-BinSum.C
@@ -0,0 +1,74 @@
+/*---------------------------------------------------------------------------*\
+ ========= |
+ \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
+ \\ / O peration |
+ \\ / A nd | Copyright (C) 2012 OpenFOAM Foundation
+ \\/ M anipulation |
+-------------------------------------------------------------------------------
+License
+ This file is part of OpenFOAM.
+
+ OpenFOAM is free software: you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
+
+Application
+ Test-BinSum
+
+Description
+ Test BinSum container
+
+\*---------------------------------------------------------------------------*/
+
+#include "BinSum.H"
+#include "IOstreams.H"
+#include "Random.H"
+#include "scalarField.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+ Random rndGen(0);
+
+ scalarField samples(10000000);
+ forAll(samples, i)
+ {
+ samples[i] = rndGen.scalar01();
+ }
+
+ const scalar min = 0;
+ const scalar max = 1;
+ const scalar delta = 0.1;
+
+ BinSum<scalar, scalarField> count(min, max, delta);
+ BinSum<scalar, scalarField> sum(min, max, delta);
+
+ forAll(samples, i)
+ {
+ count.add(samples[i], 1);
+ sum.add(samples[i], samples[i]);
+ }
+
+ Info<< "sum : " << sum << endl;
+ Info<< "count : " << count << endl;
+ Info<< "average: " << sum/count << endl;
+
+ Info<< "End\n" << endl;
+
+ return 0;
+}
+
+
+// ************************************************************************* //
diff --git a/src/OpenFOAM/containers/Lists/BinSum/BinSum.C b/src/OpenFOAM/containers/Lists/BinSum/BinSum.C
new file mode 100644
index 0000000000000000000000000000000000000000..6854597644a9a06d5fe8e86ea9812463b0eaa4d4
--- /dev/null
+++ b/src/OpenFOAM/containers/Lists/BinSum/BinSum.C
@@ -0,0 +1,73 @@
+/*---------------------------------------------------------------------------*\
+ ========= |
+ \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
+ \\ / O peration |
+ \\ / A nd | Copyright (C) 2012 OpenFOAM Foundation
+ \\/ M anipulation |
+-------------------------------------------------------------------------------
+License
+ This file is part of OpenFOAM.
+
+ OpenFOAM is free software: you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "BinSum.H"
+
+// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
+
+template<class IndexType, class List, class CombineOp>
+Foam::BinSum<IndexType, List, CombineOp>::BinSum
+(
+ const IndexType min,
+ const IndexType max,
+ const IndexType delta
+)
+:
+ List(ceil((max-min)/delta), pTraits<typename List::value_type>::zero),
+ min_(min),
+ max_(max),
+ delta_(delta),
+ lowSum_(pTraits<typename List::value_type>::zero),
+ highSum_(pTraits<typename List::value_type>::zero)
+{}
+
+
+// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
+
+template<class IndexType, class List, class CombineOp>
+void Foam::BinSum<IndexType, List, CombineOp>::add
+(
+ const IndexType& indexVal,
+ const typename List::const_reference val,
+ const CombineOp& cop
+)
+{
+ if (indexVal < min_)
+ {
+ cop(lowSum_, val);
+ }
+ else if (indexVal >= max_)
+ {
+ cop(highSum_, val);
+ }
+ else
+ {
+ label index = (indexVal-min_)/delta_;
+ cop(this->operator[](index), val);
+ }
+}
+
+
+// ************************************************************************* //
diff --git a/src/OpenFOAM/containers/Lists/BinSum/BinSum.H b/src/OpenFOAM/containers/Lists/BinSum/BinSum.H
new file mode 100644
index 0000000000000000000000000000000000000000..6e0195a780fc850840ef881f7690d63706fea000
--- /dev/null
+++ b/src/OpenFOAM/containers/Lists/BinSum/BinSum.H
@@ -0,0 +1,131 @@
+/*---------------------------------------------------------------------------*\
+ ========= |
+ \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
+ \\ / O peration |
+ \\ / A nd | Copyright (C) 2012 OpenFOAM Foundation
+ \\/ M anipulation |
+-------------------------------------------------------------------------------
+License
+ This file is part of OpenFOAM.
+
+ OpenFOAM is free software: you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
+
+Class
+ Foam::BinSum
+
+Description
+ Sums into bins
+
+SourceFiles
+ BinSum.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef BinSum_H
+#define BinSum_H
+
+#include "ops.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+
+/*---------------------------------------------------------------------------*\
+ Class BinSum Declaration
+\*---------------------------------------------------------------------------*/
+
+template
+<
+ class IndexType,
+ class List,
+ class CombineOp = plusEqOp<typename List::value_type>
+>
+class BinSum
+:
+ public List
+{
+ // Private data
+
+ const IndexType min_;
+
+ const IndexType max_;
+
+ const IndexType delta_;
+
+
+ //- Sum < lowest bin
+ typename List::value_type lowSum_;
+
+ //- Sum of >= highest bin
+ typename List::value_type highSum_;
+
+public:
+
+ // Constructors
+
+ //- Construct given min, max, delta
+ BinSum
+ (
+ const IndexType min,
+ const IndexType max,
+ const IndexType delta
+ );
+
+
+ // Access
+
+ //- Return the delta
+ inline IndexType delta() const
+ {
+ return delta_;
+ }
+
+ //- Return the sum of all added elements < min
+ inline const IndexType& lowSum() const
+ {
+ return lowSum_;
+ }
+
+ //- Return the sum of all added elements >= max
+ inline const IndexType& highSum() const
+ {
+ return highSum_;
+ }
+
+ void add
+ (
+ const IndexType& indexVal,
+ const typename List::const_reference val,
+ const CombineOp& cop = plusEqOp<typename List::value_type>()
+ );
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#ifdef NoRepository
+# include "BinSum.C"
+#endif
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //