diff --git a/iOS/JSCalc/ViewController.m b/iOS/JSCalc/ViewController.m
index 3b98182..8c5e31d 100644
--- a/iOS/JSCalc/ViewController.m
+++ b/iOS/JSCalc/ViewController.m
@@ -73,6 +73,8 @@ -(void) setupContext {
 
     self.context[@"display"] = self.display;
     self.context[@"clearButton"] = self.clearButton;
+    self.context[@"memStoreButton"] = self.memStoreButton;
+    self.context[@"memRecallButton"] = self.memRecallButton;
 }
 
 - (void)didReceiveMemoryWarning