diff --git a/unpacked/extensions/MathEvents.js b/unpacked/extensions/MathEvents.js
index bf78848301a31b42bf3b41639c5d01b37d63d31a..0f19d86325f0707adea52719e7c31a5f47d96d44 100644
--- a/unpacked/extensions/MathEvents.js
+++ b/unpacked/extensions/MathEvents.js
@@ -120,7 +120,10 @@
       LEFT: 37,
       UP: 38,
       RIGHT: 39,
-      DOWN: 40
+      DOWN: 40,
+      LESS: 188,
+      GREATER: 190,
+      DASH: 189
     },
 
     Mousedown: function (event) {return EVENT.Handler(event,"Mousedown",this)},