From 70dba10a6c99c28bb76ee6aa58fccbd2244dbc14 Mon Sep 17 00:00:00 2001
From: Kartik Agaram <vc@akkartik.com>
Date: Sat, 26 Sep 2020 20:05:12 -0700
Subject: 6863

---
 apps/README.md |   7 ++++++-
 html/rpn5.png  | Bin 0 -> 57231 bytes
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 html/rpn5.png

diff --git a/apps/README.md b/apps/README.md
index c246b44b..9c48037a 100644
--- a/apps/README.md
+++ b/apps/README.md
@@ -1,4 +1,9 @@
-Some apps written in SubX and Mu, in 3 categories:
+Some apps written in SubX and Mu. Check out:
+
+* `tile`: [A postfix calculator](https://mastodon.social/@akkartik/104896128141863951)
+  that updates as you type.
+
+<img alt='tile app' src='../html/rpn5.png'>
 
 * `ex*`: small stand-alone examples that don't need any of the shared code at
   the top-level. They each have a simple pedagogical goal. Try these first.
diff --git a/html/rpn5.png b/html/rpn5.png
new file mode 100644
index 00000000..103fb8e3
Binary files /dev/null and b/html/rpn5.png differ
-- 
cgit 1.4.1-2-gfad0