diff --git a/bintree.o b/bintree.o
index 49eaac0..0e48837 100644
Binary files a/bintree.o and b/bintree.o differ
diff --git a/makefile b/makefile
index cbeb1ca..63d0b10 100644
--- a/makefile
+++ b/makefile
@@ -49,6 +49,11 @@ stack: stack.c
 
 test_stack: stack.o test_stack.c $(unityfolder)/unity.c
 	$(CC) $(FLAGS) -o runstackTests test_stack.c stack.o $(unityfolder)/unity.c
+
+test_numbers: numbers.o bintree.o stack.o test_numbers.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -o run_numbersTests test_numbers.c numbers.o bintree.o stack.o $(unityfolder)/unity.c
+
+
 # --------------------------
 # Clean
 # --------------------------
diff --git a/stack.o b/stack.o
index 7a38f38..5580458 100644
Binary files a/stack.o and b/stack.o differ