diff --git a/source2/Kernel/System/Cosmos.System.Plugs.System/Int32Impl.cs b/source2/Kernel/System/Cosmos.System.Plugs.System/Int32Impl.cs
index 8bf5d6593..9d2466040 100644
--- a/source2/Kernel/System/Cosmos.System.Plugs.System/Int32Impl.cs
+++ b/source2/Kernel/System/Cosmos.System.Plugs.System/Int32Impl.cs
@@ -16,12 +16,15 @@ namespace Cosmos.System.Plugs.System {
        //at Cosmos.Build.MSBuild.IL2CPU.Execute() in M:\source\Cosmos\source2\Build\Cosmos.Build.MSBuild\IL2CPU.cs:line 250	C:\Program Files (x86)\MSBuild\Cosmos\Cosmos.targets	32	10	Guess (source2\Demos\Guess\Guess)
 
         // for instance ones still declare as static but add a aThis argument first of same type as target
-        public static int Parse(string s) {
+        public static int Parse(string s)
+        {
             int xResult = 0;
-            for (int i = s.Length - 1; i >= 0; i--) {
+            for (int i = s.Length - 1; i >= 0; i--)
+            {
                 xResult = xResult * 10;
-                int j = Digits.IndexOf(s[i]);
-                if (j == -1) {
+                int j = s[i] - '0';
+                if (j < 0 || j > 9)
+                {
                     throw new Exception("Non numeric digit found in int.parse");
                 }
                 xResult = xResult + j;
diff --git a/source2/Kernel/System/Cosmos.System.Plugs.System/MathImpl.cs b/source2/Kernel/System/Cosmos.System.Plugs.System/MathImpl.cs
index 43745d594..ae7702782 100644
--- a/source2/Kernel/System/Cosmos.System.Plugs.System/MathImpl.cs
+++ b/source2/Kernel/System/Cosmos.System.Plugs.System/MathImpl.cs
@@ -14,16 +14,11 @@ namespace Cosmos.System.Plugs.System
 
         public static double Abs(double value)
         {
-            double xResult;
-            if (value < 0)
-            {
-                xResult = value - (2 * value);
-            }
-            else
-            {
-                xResult = value;
-            }
-            return xResult;
+            if (value < 0)            
+                return -value;
+            
+            else            
+                return value;
         }
         
         //public static float Abs(float value)
@@ -56,37 +51,34 @@ namespace Cosmos.System.Plugs.System
 
         public static int Abs(int value)
         {
-            int xResult;
             if (value < 0)
-            {
-                xResult = value - (2 * value);
-            }
+                return -value;
+
             else
-            {
-                xResult = value;
-            }
-            return xResult;
+                return value;
         }
 
         public static double Pow(double x, double y)
-        {
-            double xResult = x;
+        {            
             if (y == 0)
             {
-                xResult = 1;
+                return 1;
             }
             else if (y == 1)
             {
-                xResult = x;
+                return x;
             }
             else
             {
+                double xResult = x;
+
                 for (int i = 2; i <= y; i++)
                 {
                     xResult = xResult * x;
                 }
-            }
-            return xResult;
+
+                return xResult;
+            }                        
         }
     }
 }
\ No newline at end of file