diff --git a/script/local.py b/script/local.py
index d6825e9..3b4ab90 100644
--- a/script/local.py
+++ b/script/local.py
@@ -14,4 +14,17 @@ scd_sim.set_center(1.0, 1.0)
 
 
 
- 
\ No newline at end of file
+#This ios to force read from the device - and not use monitor cache
+#scd.setTrustedMonitor(False)
+
+
+
+#Builtin functions
+def enforceMonotonic(array)
+    """
+    Make sure array has no repeated values
+    """
+    for i in range(1,len(array)):
+        if abs(array[i] - array[y-1])< 0.0001:
+            array[i] = array[y-1] + 0.0000001
+