diff --git a/README.md b/README.md
index 78b761a..5120be3 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,13 @@ infix
 Simple interpreter for infix syntax.
 
 Uses a concurrent lexer/parser to create a binary tree from infix statements and then evaluate them recursively.
+
+```sh
+$ clang++ -g main.cc -std=c++11
+$ ./a.out
+8 * 8
+prefix: * 8 8
+postfix: 8 8 *
+infix: (8 * 8)
+=> 64
+```