diff --git a/TCutility/results/result.py b/TCutility/results/result.py
index 5fff9e87..14bcbf0f 100644
--- a/TCutility/results/result.py
+++ b/TCutility/results/result.py
@@ -2,25 +2,50 @@
 
 
 class Result(dict):
-    '''Class used for storing results from AMS calculations. The class is functionally a dictionary, but allows dot notation to access variables in the dictionary.'''
+    '''Class used for storing results from AMS calculations. The class is functionally a dictionary, but allows dot notation to access variables in the dictionary. 
+    The class works case-insensitively, but will retain the case of the key when it was first set.'''
+    def __getitem__(self, key):
+        self.__set_empty(key)
+        val = super().__getitem__(self.__get_case(key))
+        return val
+
     def __getattr__(self, key):
-        if key not in self:
-            val = Result()
-            self.__setitem__(key, val)
-            return val
+        return self.__getitem__(key)
 
-        val = self.__getitem__(key)
+    def __setitem__(self, key, val):
+        # we set the item, but if it is a dict we convert the dict to a Result first
         if isinstance(val, dict):
             val = Result(val)
-            self.__setattr__(key, val)
-        return val
+        super().__setitem__(self.__get_case(key), val)
 
-    def __getitem__(self, key):
+    def __setattr__(self, key, val):
+        self.__setitem__(key, val)
+
+    def __contains__(self, key):
+        # Custom method to check if the key is defined in this object, case-insensitive.
+        return key.lower() in [key_.lower() for key_ in self.keys()]
+
+    def __set_empty(self, key):
+        # This function checks if the key has been set. 
+        # If it has not, we create a new Result object and set it at the desired key
         if key not in self:
             val = Result()
             self.__setitem__(key, val)
-            return val
-        return super().__getitem__(key)
 
-    def __setattr__(self, key, val):
-        self.__setitem__(key, val)
+    def __get_case(self, key):
+        # Get the case of the key as it has been set in this object.
+        # The first time a key-value pair has been assigned the case of the key will be set.
+        for key_ in self:
+            if key_.lower() == key.lower():
+                return key_
+        return key
+
+
+if __name__ == '__main__':
+    ret = Result()
+    ret.aDf.x = {'a': 1, 'b': 2}
+    print(ret.adf.x.a)
+
+    ret.ADF.y = 2345
+    ret.dftb.z = 'hello'
+    print(ret)