diff --git a/_posts/2017-04-30-ocaml.md b/_posts/2017-04-30-ocaml.md
index ed0608d..33201b6 100644
--- a/_posts/2017-04-30-ocaml.md
+++ b/_posts/2017-04-30-ocaml.md
@@ -1,5 +1,14 @@
 ---
 title: OCaml
-code: 0.1 +. 0.2;;
-result: float = 0.300000000000000044
+code:
+  - 0.1 +. 0.2;;
+  - Q.(to_float ((of_ints 1 10) + (of_ints 2 10)));;
+result:
+  - float = 0.300000000000000044
+  - float = 0.3
 ---
+
+OCaml has [arbitrary-precision rational number support][1] from the [Zarith library][2].
+
+[1]: https://github.com/ocaml/Zarith
+[2]: https://opam.ocaml.org/packages/zarith/