diff --git a/easing.py b/easing.py
index 1be7c05..c362019 100644
--- a/easing.py
+++ b/easing.py
@@ -7,11 +7,20 @@ import math
 def easeLinear(t, b, c, d):
 	return c*t/d + b
 
+
+def easeOutCubic(t, b, c, d):
+	t=float(t)/d-1
+	return c*((t)*t*t + 1) + b
+
+def easeInCubic(t, b, c, d):
+	t=float(t)/d
+	return c*(t)*t*t + b;
+
+
 def easeInQuad(t, b, c, d):
 	t /= d
 	return c*t*t + b
 
-
 def easeOutQuad(t, b, c, d):
 	t /= d
 	return -c * t*(t-2) + b