diff --git a/README.md b/README.md
index cb51577..eb5673d 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,14 @@ auto result = hp->EvalString("430 ENTER 80 - 1.2 *");
 
 ## 3. Demo
 
-TODO!!
+A fraction consisting of many terms:
+
+https://github.com/leonmavr/HIP35/assets/13514096/911e7cce-2db0-4705-92fd-c3dfa6142de6
+
+Second order equation by using storage/recall:
+
+https://github.com/leonmavr/HIP35/assets/13514096/ee05b992-8901-4ffe-9649-71dfb9cda71c
+
 
 ## 4. Basic theory
 ### What is RPN?