Update the README with a detailed status
diff --git a/README.md b/README.md
index d76b75e..8de9361 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,17 @@
 # bc
 
-This is an implementation of POSIX `bc`. It is not even in alpha stage yet, so
-it is not ready for use.
+This is an implementation of POSIX `bc`, that implements GNU bc extensions.
 
 Because this `bc` makes use of [`arbprec`](https://github.com/cmgraff/arbsh) by
 [cmgraff](https://github.com/cmgraff) and [hexingb](https://github.com/hexingb)
 et al, this `bc` is a collaborative effort. All `arbprec` contributors are
 considered `bc` contributors.
 
+## Status
+
+This `bc is not even in alpha stage yet, so it is not ready for use. However, at
+this time, it does basic math operations (`+`, `-`, `*`, `/`, `%`) on constants.
+
 ## Cloning
 
 After cloning, make sure to run `git submodule update --init --recursive` to