diff --git a/src/Computing/ComputeAST.hs b/src/Computing/ComputeAST.hs
index 5307c28..0faf6ec 100644
--- a/src/Computing/ComputeAST.hs
+++ b/src/Computing/ComputeAST.hs
@@ -109,6 +109,19 @@ computeFunction env (Function fnName fnParams (x:_)) args =
 computeFunction env _ _ =
     (registerError env "Bad function call", Right (undefined))
 
+---------------------------- REGISTER DEFINE ----------------------------------
+
+-- Register a define in the Defines list
+registerDefine :: Env -> Symbol -> Tree -> Env
+registerDefine env symb value@(Number _) = addDefineToEnv env symb value
+registerDefine env symb value@(Boolean _) = addDefineToEnv env symb value
+registerDefine env symb (List list) = case computeAST env (List list) of
+    (_, Left (Just result)) -> addDefineToEnv env symb result
+    (newEnv, _) -> registerError newEnv ("Bad define " ++ symb)
+registerDefine env symb (Symbol smbl) = case getSymbolValue env smbl of
+    (_, Just result) -> addDefineToEnv env symb result
+    (newEnv, _) -> registerError newEnv ("Bad define " ++ symb)
+
 --------------------------- COMPUTE AST -------------------------------------
 
 computeASTWithoutList :: Env -> Tree -> (Env, Result)
@@ -129,55 +142,17 @@ computeAstWithList env (List list)
             (newEnv, Just rvd) -> computeAST newEnv (List rvd)
 computeAstWithList env _ = (registerError env "Bad list", Right (undefined))
 
--- Register a define in the Defines list
-registerDefine :: Env -> Symbol -> Tree -> Env
-registerDefine env symb value@(Number _) = addDefineToEnv env symb value
-registerDefine env symb value@(Boolean _) = addDefineToEnv env symb value
-registerDefine env symb (List list) = case computeAST env (List list) of
-    (_, Left (Just result)) -> addDefineToEnv env symb result
-    (newEnv, _) -> registerError newEnv ("Bad define " ++ symb)
-registerDefine env symb (Symbol smbl) = case getSymbolValue env smbl of
-    (_, Just result) -> addDefineToEnv env symb result
-    (newEnv, _) -> registerError newEnv ("Bad define " ++ symb)
-
--- Add a function to the Functions list in the Env
-addFunction :: Env -> String -> [String] -> [Tree] -> Env
-addFunction env fnName fnParams fnBodies
-    = Env (defines env) (errors env)
-        (functions env ++ [Function fnName fnParams fnBodies])
-
--- Get params from a function
-getParams :: Tree -> [String]
-getParams (List []) = []
-getParams (List (Symbol smbl : xs)) = smbl : getParams (List xs)
-getParams _ = []
-
--- Register a function in the Functions list
-registerFunction :: Env -> Symbol -> Tree -> [Tree] -> Env
-registerFunction env "" _ _ =
-    registerError env "function name must not be empty"
-registerFunction env fnName fnParams fnBodies
-    = addFunction env fnName (getParams fnParams) fnBodies
-
 handleDefine :: Env -> Tree -> (Env, Result)
 handleDefine env (List [Symbol _, Symbol smbl,
     List (Symbol "lambda": List fnParams : fnBodies)]) =
         (registerFunction env smbl (List fnParams) fnBodies, Left (Nothing))
 handleDefine env (List [Symbol _,
     (List (Symbol smbl : fnParams)), List fnBodies]) =
-        (registerFunction env smbl (List fnParams) (List fnBodies : []),
-            Left (Nothing))
+        (registerFunction env smbl (List fnParams) (List fnBodies : []), Left (Nothing))
 handleDefine env (List [Symbol _, Symbol smbl, expr]) =
     (registerDefine env smbl expr, Left (Nothing))
 handleDefine env _ = (registerError env "Bad define", Right (undefined))
 
-
-
-
-
-
-
-
 computeAST :: Env -> Tree -> (Env, Result)
 computeAST env tree@(List (Symbol "define" : _)) = handleDefine env tree
 computeAST env tree@(List (List (Symbol "lambda" : _) : _)) =
diff --git a/src/Computing/Defines.hs b/src/Computing/Defines.hs
index 2a9301c..abc69fa 100644
--- a/src/Computing/Defines.hs
+++ b/src/Computing/Defines.hs
@@ -8,7 +8,9 @@
 module Computing.Defines
     (
         getSymbolValue,
-        addDefineToEnv
+        addDefineToEnv,
+        registerFunction,
+        getParams
     ) where
 
 import Types
@@ -33,3 +35,22 @@ addDefineToEnv env symb value
         " is already defined")
     | otherwise = Env (defines env ++ [Define symb value]) (errors env)
         (functions env)
+
+-- Add a function to the Functions list in the Env
+addFunction :: Env -> String -> [String] -> [Tree] -> Env
+addFunction env fnName fnParams fnBodies
+    = Env (defines env) (errors env)
+        (functions env ++ [Function fnName fnParams fnBodies])
+
+-- Get params from a function
+getParams :: Tree -> [String]
+getParams (List []) = []
+getParams (List (Symbol smbl : xs)) = smbl : getParams (List xs)
+getParams _ = []
+
+-- Register a function in the Functions list
+registerFunction :: Env -> Symbol -> Tree -> [Tree] -> Env
+registerFunction env "" _ _ =
+    registerError env "function name must not be empty"
+registerFunction env fnName fnParams fnBodies
+    = addFunction env fnName (getParams fnParams) fnBodies