diff --git a/Source/Examples/OpenTK/Test/MatrixTest.cs b/Source/Examples/OpenTK/Test/MatrixTest.cs
index 2b6d9739..690ae2d6 100644
--- a/Source/Examples/OpenTK/Test/MatrixTest.cs
+++ b/Source/Examples/OpenTK/Test/MatrixTest.cs
@@ -24,7 +24,7 @@ namespace Examples.Tests
             Matrix4 translation = new Matrix4(new Vector4(1, 0, 0, 2), new Vector4(0, 1, 0, 3), new Vector4(0, 0, 1, -1), new Vector4(0, 0, 0, 1));
             Vector4 point = new Vector4(x, y, z, 1);
 
-             Vector4 result = Vector4.Transform(point, createdTranslation);
+            Vector4 result = Vector4.Transform(point, translation);
 
             Trace.WriteLine("Result should be: (3, 4, 0, 1) : " + result);
 
diff --git a/Source/OpenTK/Math/Vector2.cs b/Source/OpenTK/Math/Vector2.cs
index df5a86ac..e21ab7c1 100644
--- a/Source/OpenTK/Math/Vector2.cs
+++ b/Source/OpenTK/Math/Vector2.cs
@@ -1053,14 +1053,14 @@ namespace OpenTK
 
         #region public override string ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>
         /// Returns a System.String that represents the current Vector2.
         /// </summary>
         /// <returns></returns>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{2} {1})", X, Y, separator);
+            return String.Format("({0}{2} {1})", X, Y, listSeparator);
         }
 
         #endregion
diff --git a/Source/OpenTK/Math/Vector2d.cs b/Source/OpenTK/Math/Vector2d.cs
index 9e3c557f..f0e019f3 100644
--- a/Source/OpenTK/Math/Vector2d.cs
+++ b/Source/OpenTK/Math/Vector2d.cs
@@ -957,14 +957,14 @@ namespace OpenTK
 
         #region public override string ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>
         /// Returns a System.String that represents the current instance.
         /// </summary>
         /// <returns></returns>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{2} {1})", X, Y, separator);
+            return String.Format("({0}{2} {1})", X, Y, listSeparator);
         }
 
         #endregion
diff --git a/Source/OpenTK/Math/Vector2h.cs b/Source/OpenTK/Math/Vector2h.cs
index e7a334e3..aeb6d3db 100644
--- a/Source/OpenTK/Math/Vector2h.cs
+++ b/Source/OpenTK/Math/Vector2h.cs
@@ -312,11 +312,11 @@ namespace OpenTK
 
         #region ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>Returns a string that contains this Half2's numbers in human-legible form.</summary>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{2} {1})", X, Y, separator);
+            return String.Format("({0}{2} {1})", X, Y, listSeparator);
         }
 
         #endregion ToString()
diff --git a/Source/OpenTK/Math/Vector3.cs b/Source/OpenTK/Math/Vector3.cs
index 4470b884..c09b2316 100644
--- a/Source/OpenTK/Math/Vector3.cs
+++ b/Source/OpenTK/Math/Vector3.cs
@@ -1335,14 +1335,14 @@ namespace OpenTK
 
         #region public override string ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>
         /// Returns a System.String that represents the current Vector3.
         /// </summary>
         /// <returns></returns>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{3} {1}{3} {2})", X, Y, Z, separator);
+            return String.Format("({0}{3} {1}{3} {2})", X, Y, Z, listSeparator);
         }
 
         #endregion
diff --git a/Source/OpenTK/Math/Vector3d.cs b/Source/OpenTK/Math/Vector3d.cs
index f269cf18..889b4d26 100644
--- a/Source/OpenTK/Math/Vector3d.cs
+++ b/Source/OpenTK/Math/Vector3d.cs
@@ -1348,14 +1348,14 @@ namespace OpenTK
 
         #region public override string ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>
         /// Returns a System.String that represents the current Vector3.
         /// </summary>
         /// <returns></returns>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{3} {1}{3} {2})", X, Y, Z, separator);
+            return String.Format("({0}{3} {1}{3} {2})", X, Y, Z, listSeparator);
         }
 
         #endregion
diff --git a/Source/OpenTK/Math/Vector3h.cs b/Source/OpenTK/Math/Vector3h.cs
index 16b4a0e6..947859eb 100644
--- a/Source/OpenTK/Math/Vector3h.cs
+++ b/Source/OpenTK/Math/Vector3h.cs
@@ -355,11 +355,11 @@ namespace OpenTK
 
         #region ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>Returns a string that contains this Half3's numbers in human-legible form.</summary>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{3} {1}{3} {2})", X.ToString(), Y.ToString(), Z.ToString(), separator);
+            return String.Format("({0}{3} {1}{3} {2})", X.ToString(), Y.ToString(), Z.ToString(), listSeparator);
         }
 
         #endregion ToString()
diff --git a/Source/OpenTK/Math/Vector4.cs b/Source/OpenTK/Math/Vector4.cs
index 7bf41bd8..3a755bff 100644
--- a/Source/OpenTK/Math/Vector4.cs
+++ b/Source/OpenTK/Math/Vector4.cs
@@ -1168,14 +1168,14 @@ namespace OpenTK
 
         #region public override string ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>
         /// Returns a System.String that represents the current Vector4.
         /// </summary>
         /// <returns></returns>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{4} {1}{4} {2}{4} {3})", X, Y, Z, W, separator);
+            return String.Format("({0}{4} {1}{4} {2}{4} {3})", X, Y, Z, W, listSeparator);
         }
 
         #endregion
diff --git a/Source/OpenTK/Math/Vector4d.cs b/Source/OpenTK/Math/Vector4d.cs
index 10eb9770..384dea71 100644
--- a/Source/OpenTK/Math/Vector4d.cs
+++ b/Source/OpenTK/Math/Vector4d.cs
@@ -1187,14 +1187,14 @@ namespace OpenTK
 
         #region public override string ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>
         /// Returns a System.String that represents the current Vector4d.
         /// </summary>
         /// <returns></returns>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{4} {1}{4} {2}{4} {3})", X, Y, Z, W, separator);
+            return String.Format("({0}{4} {1}{4} {2}{4} {3})", X, Y, Z, W, listSeparator);
         }
 
         #endregion
diff --git a/Source/OpenTK/Math/Vector4h.cs b/Source/OpenTK/Math/Vector4h.cs
index 20086720..38f040cf 100644
--- a/Source/OpenTK/Math/Vector4h.cs
+++ b/Source/OpenTK/Math/Vector4h.cs
@@ -386,11 +386,11 @@ namespace OpenTK
 
         #region ToString()
 
+        private static string listSeparator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
         /// <summary>Returns a string that contains this Half4's numbers in human-legible form.</summary>
         public override string ToString()
         {
-            string separator = System.Globalization.CultureInfo.CurrentCulture.TextInfo.ListSeparator;
-            return String.Format("({0}{4} {1}{4} {2}{4} {3})", X.ToString(), Y.ToString(), Z.ToString(), W.ToString(), separator);
+            return String.Format("({0}{4} {1}{4} {2}{4} {3})", X.ToString(), Y.ToString(), Z.ToString(), W.ToString(), listSeparator);
         }
 
         #endregion ToString()