diff --git a/include/stdex/interval.hpp b/include/stdex/interval.hpp
index c4c7fa84e..1a2b760fc 100644
--- a/include/stdex/interval.hpp
+++ b/include/stdex/interval.hpp
@@ -60,24 +60,6 @@ namespace stdex
 		///
 		inline operator bool() const { return start <= end; }
 
-		///
-		/// Are intervals identical?
-		///
-		/// \param[in] other  Other interval to compare against
-		///
-		/// \returns true if intervals are identical or false otherwise
-		///
-		inline bool operator==(const interval& other) const { return start == other.start && end == other.end; }
-
-		///
-		/// Are intervals different?
-		///
-		/// \param[in] other  Other interval to compare against
-		///
-		/// \returns true if intervals are different or false otherwise
-		///
-		inline bool operator!=(const interval& other) const { return !operator==(other); }
-
 		///
 		/// Is value in interval?
 		///
@@ -91,3 +73,149 @@ namespace stdex
 	template <class T, class _Alloc = std::allocator<interval<T>>>
 	using interval_vector = std::vector<interval<T>, _Alloc>;
 }
+
+///
+/// Adds two intervals by components
+///
+/// \param[in] a  First interval
+/// \param[in] a  Second interval
+///
+/// \returns Resulting interval
+///
+template <class T>
+inline stdex::interval<T> operator+(_In_ const stdex::interval<T>& a, _In_ const stdex::interval<T>& b)
+{
+	return stdex::interval<T>(a.start + b.start, a.end + b.end);
+}
+
+///
+/// Moves interval towards the end by a number
+///
+/// \param[in] i  Interval to move
+/// \param[in] x  Amount to move for
+///
+/// \returns Moved interval
+///
+template <class T>
+inline stdex::interval<T> operator+(_In_ const stdex::interval<T>& i, _In_ const T x)
+{
+	return stdex::interval<T>(i.start + x, i.end + x);
+}
+
+///
+/// Moves interval towards the end by one
+///
+/// \param[in] i  Interval to move
+///
+/// \returns Moved interval
+///
+template <class T>
+inline stdex::interval<T> operator++(_Inout_ stdex::interval<T>& i)
+{
+	++i.start;
+	++i.end;
+	return i;
+}
+
+///
+/// Moves interval towards the end by one
+///
+/// \param[in] i  Interval to move
+///
+/// \returns Original interval
+///
+template <class T>
+inline stdex::interval<T> operator++(_Inout_ stdex::interval<T>& i, int) // Postfix increment operator.
+{
+	stdex::interval<T> r = i;
+	++i.start;
+	++i.end;
+	return r;
+}
+
+///
+/// Subtracts two intervals by components
+///
+/// \param[in] a  First interval
+/// \param[in] a  Second interval
+///
+/// \returns Resulting interval
+///
+template <class T>
+inline stdex::interval<T> operator-(_In_ const stdex::interval<T>& a, _In_ const stdex::interval<T>& b)
+{
+	return stdex::interval<T>(a.start - b.start, a.end - b.end);
+}
+
+///
+/// Moves interval towards the beginning by a number
+///
+/// \param[in] i  Interval to move
+/// \param[in] x  Amount to move for
+///
+/// \returns Moved interval
+///
+template <class T>
+inline stdex::interval<T> operator-(_In_ const stdex::interval<T>& i, _In_ const T x)
+{
+	return stdex::interval<T>(i.start - x, i.end - x);
+}
+
+///
+/// Moves interval towards the begginning by one
+///
+/// \param[in] i  Interval to move
+///
+/// \returns Moved interval
+///
+template <class T>
+inline stdex::interval<T> operator--(_Inout_ stdex::interval<T>& i)
+{
+	--i.start;
+	--i.end;
+	return i;
+}
+
+///
+/// Moves interval towards the begginning by one
+///
+/// \param[in] i  Interval to move
+///
+/// \returns Original interval
+///
+template <class T>
+inline stdex::interval<T> operator--(_Inout_ stdex::interval<T>& i, int)
+{
+	stdex::interval<T> r = i;
+	--i.start;
+	--i.end;
+	return r;
+}
+
+///
+/// Are intervals identical?
+///
+/// \param[in] a  First interval to compare
+/// \param[in] b  Second interval to compare
+///
+/// \returns true if intervals are identical or false otherwise
+///
+template <class T>
+inline bool operator==(_In_ const stdex::interval<T>& a, _In_ const stdex::interval<T>& b)
+{
+	return a.start == b.start && a.end == b.end;
+}
+
+///
+/// Are intervals different?
+///
+/// \param[in] a  First interval to compare
+/// \param[in] b  Second interval to compare
+///
+/// \returns true if intervals are different or false otherwise
+///
+template <class T>
+inline bool operator!=(_In_ const stdex::interval<T>& a, _In_ const stdex::interval<T>& b)
+{
+	return a.start != b.start || a.end != b.end;
+}