diff --git a/Assets/uREPL/Scripts/Core/Extension.cs b/Assets/uREPL/Scripts/Core/Extension.cs
new file mode 100644
index 0000000..ff594eb
--- /dev/null
+++ b/Assets/uREPL/Scripts/Core/Extension.cs
@@ -0,0 +1,28 @@
+using System.Globalization;
+
+namespace uREPL
+{
+
+public static class Extensions
+{
+    private static CultureInfo cultureInfo = new CultureInfo("en-US");
+
+    public static string AsString(this float value)
+    {
+        return value.ToString(cultureInfo);
+    }
+
+    public static string AsString(this object value)
+    {
+        return 
+            (value is float) ? ((float)value).AsString() :
+            value.ToString();
+    }
+
+    public static float AsFloat(this string value)
+    {
+        return float.Parse(value, cultureInfo);
+    }
+}
+
+}
diff --git a/Assets/uREPL/Scripts/Core/Extension.cs.meta b/Assets/uREPL/Scripts/Core/Extension.cs.meta
new file mode 100644
index 0000000..fcf664a
--- /dev/null
+++ b/Assets/uREPL/Scripts/Core/Extension.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: f7b0f7f523c47c0459562362785f1ff6
+timeCreated: 1471165477
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {fileID: 2800000, guid: e595625465c294b69827ba1876777de0, type: 3}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/uREPL/Scripts/Gui/FieldItems/SingleFieldItem.cs b/Assets/uREPL/Scripts/Gui/FieldItems/SingleFieldItem.cs
index 2dade2c..c3c9455 100644
--- a/Assets/uREPL/Scripts/Gui/FieldItems/SingleFieldItem.cs
+++ b/Assets/uREPL/Scripts/Gui/FieldItems/SingleFieldItem.cs
@@ -11,7 +11,7 @@ public class SingleFieldItem : FieldItem
     public override object value
     {
         get { return Convert.ChangeType(valueInputField.text, fieldType);  }
-        protected set { valueInputField.text = value.ToString(); }
+        protected set { valueInputField.text = value.AsString(); }
     }
 
     void Start()
diff --git a/Assets/uREPL/Scripts/Gui/FieldItems/Vector2FieldItem.cs b/Assets/uREPL/Scripts/Gui/FieldItems/Vector2FieldItem.cs
index 69332a3..475cb4f 100644
--- a/Assets/uREPL/Scripts/Gui/FieldItems/Vector2FieldItem.cs
+++ b/Assets/uREPL/Scripts/Gui/FieldItems/Vector2FieldItem.cs
@@ -15,13 +15,13 @@ public override object value
         {
             return Activator.CreateInstance(
                 fieldType,
-                float.Parse(xInputField.text),
-                float.Parse(yInputField.text));
+                xInputField.text.AsFloat(),
+                yInputField.text.AsFloat());
         }
         protected set
         {
-            xInputField.text = fieldType.GetField("x").GetValue(value).ToString();
-            yInputField.text = fieldType.GetField("y").GetValue(value).ToString();
+            xInputField.text = fieldType.GetField("x").GetValue(value).AsString();
+            yInputField.text = fieldType.GetField("y").GetValue(value).AsString();
         }
     }
 
diff --git a/Assets/uREPL/Scripts/Gui/FieldItems/Vector3FieldItem.cs b/Assets/uREPL/Scripts/Gui/FieldItems/Vector3FieldItem.cs
index d9eb55c..926b472 100644
--- a/Assets/uREPL/Scripts/Gui/FieldItems/Vector3FieldItem.cs
+++ b/Assets/uREPL/Scripts/Gui/FieldItems/Vector3FieldItem.cs
@@ -16,15 +16,15 @@ public override object value
         {
             return Activator.CreateInstance(
                 fieldType,
-                float.Parse(xInputField.text),
-                float.Parse(yInputField.text),
-                float.Parse(zInputField.text));
+                xInputField.text.AsFloat(),
+                yInputField.text.AsFloat(),
+                zInputField.text.AsFloat());
         }
         protected set
         {
-            xInputField.text = fieldType.GetField("x").GetValue(value).ToString();
-            yInputField.text = fieldType.GetField("y").GetValue(value).ToString();
-            zInputField.text = fieldType.GetField("z").GetValue(value).ToString();
+            xInputField.text = fieldType.GetField("x").GetValue(value).AsString();
+            yInputField.text = fieldType.GetField("y").GetValue(value).AsString();
+            zInputField.text = fieldType.GetField("z").GetValue(value).AsString();
         }
     }
 
diff --git a/Assets/uREPL/Scripts/Gui/FieldItems/Vector4FieldItem.cs b/Assets/uREPL/Scripts/Gui/FieldItems/Vector4FieldItem.cs
index 2bfcacf..e538fce 100644
--- a/Assets/uREPL/Scripts/Gui/FieldItems/Vector4FieldItem.cs
+++ b/Assets/uREPL/Scripts/Gui/FieldItems/Vector4FieldItem.cs
@@ -17,17 +17,17 @@ public override object value
         {
             return Activator.CreateInstance(
                 fieldType,
-                float.Parse(xInputField.text),
-                float.Parse(yInputField.text),
-                float.Parse(zInputField.text),
-                float.Parse(wInputField.text));
+                xInputField.text.AsFloat(),
+                yInputField.text.AsFloat(),
+                zInputField.text.AsFloat(),
+                wInputField.text.AsFloat());
         }
         protected set
         {
-            xInputField.text = fieldType.GetField("x").GetValue(value).ToString();
-            yInputField.text = fieldType.GetField("y").GetValue(value).ToString();
-            zInputField.text = fieldType.GetField("z").GetValue(value).ToString();
-            wInputField.text = fieldType.GetField("w").GetValue(value).ToString();
+            xInputField.text = fieldType.GetField("x").GetValue(value).AsString();
+            yInputField.text = fieldType.GetField("y").GetValue(value).AsString();
+            zInputField.text = fieldType.GetField("z").GetValue(value).AsString();
+            wInputField.text = fieldType.GetField("w").GetValue(value).AsString();
         }
     }
 
diff --git a/Assets/uREPL/Scripts/Gui/OutputItems/GameObjectItem.cs b/Assets/uREPL/Scripts/Gui/OutputItems/GameObjectItem.cs
index 1ee407a..4bd8134 100644
--- a/Assets/uREPL/Scripts/Gui/OutputItems/GameObjectItem.cs
+++ b/Assets/uREPL/Scripts/Gui/OutputItems/GameObjectItem.cs
@@ -29,15 +29,15 @@ public Vector3 position
         get
         {
             return new Vector3(
-                float.Parse(posX.text),
-                float.Parse(posY.text),
-                float.Parse(posZ.text));
+                posX.text.AsFloat(),
+                posY.text.AsFloat(),
+                posZ.text.AsFloat());
         }
         protected set
         {
-            posX.text = value.x.ToString();
-            posY.text = value.y.ToString();
-            posZ.text = value.z.ToString();
+            posX.text = value.x.AsString();
+            posY.text = value.y.AsString();
+            posZ.text = value.z.AsString();
         }
     }
 
@@ -46,16 +46,16 @@ public Quaternion rotation
         get
         {
             return Quaternion.Euler(
-                float.Parse(rotX.text),
-                float.Parse(rotY.text),
-                float.Parse(rotZ.text));
+                rotX.text.AsFloat(),
+                rotY.text.AsFloat(),
+                rotZ.text.AsFloat());
         }
         protected set
         {
             var euler = value.eulerAngles;
-            rotX.text = euler.x.ToString();
-            rotY.text = euler.y.ToString();
-            rotZ.text = euler.z.ToString();
+            rotX.text = euler.x.AsString();
+            rotY.text = euler.y.AsString();
+            rotZ.text = euler.z.AsString();
         }
     }
 
@@ -64,15 +64,15 @@ public Vector3 scale
         get
         {
             return new Vector3(
-                float.Parse(scaleX.text),
-                float.Parse(scaleY.text),
-                float.Parse(scaleZ.text));
+                scaleX.text.AsFloat(),
+                scaleY.text.AsFloat(),
+                scaleZ.text.AsFloat());
         }
         protected set
         {
-            scaleX.text = value.x.ToString();
-            scaleY.text = value.y.ToString();
-            scaleZ.text = value.z.ToString();
+            scaleX.text = value.x.AsString();
+            scaleY.text = value.y.AsString();
+            scaleZ.text = value.z.AsString();
         }
     }
 
diff --git a/ProjectSettings/ProjectSettings.asset b/ProjectSettings/ProjectSettings.asset
index 4fdc7ac..4a6754e 100644
Binary files a/ProjectSettings/ProjectSettings.asset and b/ProjectSettings/ProjectSettings.asset differ