Update README.md

Author: stheakanath

README.md

@@ -64,3 +64,7 @@ This assignment is hand-graded! If you satisfy all of the General requirements y
 
 The total score is out of 4, and students with the top submissions are eligible to receive one extra-credit point (5/4). These students have the option to have their resumes referred to Apple University recruiting.
 
+## Example
+
+[![Screenshot](calculator.gif)](https://j.gifs.com/xGqBOl.gif)
+