diff --git a/README.md b/README.md
index 751700e..a6658ff 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,6 @@ This web app is to be used to easily calculate an ROA, useful for single-capstan
 
 ## How it works
 
-The machine operator simply enters the start and finish size of the material they are drawing. This will display the ROA.
\ No newline at end of file
+The machine operator simply enters the start and finish size of the material they are drawing. This will display the ROA.
+
+See it in operation [here](https://roacalc.taylorcourage.net)
\ No newline at end of file