diff --git a/csharp/Platform.Numbers.Tests/CalcResultTests.cs b/csharp/Platform.Numbers.Tests/CalcResultTests.cs
index e964308..a2fa0bb 100644
--- a/csharp/Platform.Numbers.Tests/CalcResultTests.cs
+++ b/csharp/Platform.Numbers.Tests/CalcResultTests.cs
@@ -9,13 +9,13 @@ public static class CalcResultTests
         public static void SimpleIntegration_Test()
         {
             //arrange
-            int expected = (5 + 6) * (3 + 9 / 3);
+            int expected = (5 + 6) * (3 + (9 / 3));
             expected++;
             expected++;
             expected--;
 
             //act
-            var result = ((CalcResult<int>)5 + 6) * (3 + 9 / (CalcResult<int>)3);
+            var result = ((CalcResult<int>)5 + 6) * (3 + (9 / (CalcResult<int>)3));
             result.Increment();
             result++;
             result--;
diff --git a/csharp/Platform.Numbers/CalcResult.cs b/csharp/Platform.Numbers/CalcResult.cs
index 2e3498f..30364ac 100644
--- a/csharp/Platform.Numbers/CalcResult.cs
+++ b/csharp/Platform.Numbers/CalcResult.cs
@@ -234,11 +234,11 @@ public T Value
             }
         }
 
-        public bool IsValid;
+        public bool IsValid { get; set; }
 
         public string Message { get; private set; }
 
-        private T _value;
+        private T _value ;
 
         #region Operator overloading