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diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,2 +1,17 @@
-## JavaCalc
+# ['JavaCalc'](https://github.com/krolyxon/cht-rs)
 - Simple calculator i made in java to learn expression parsing and Swing UI development.
+Simple GUI calculator with complex infix expression evaluation made in Java using Swing.
+
+## Installation
+
+```bash
+  $ git clone --depth=1 https://github.com/krolyxon/JavaCalc --branch=master
+  $ cd JavaCalc
+  $ ./run.sh
+  ```
+
+## JavaCalc in action
+![](https://raw.githubusercontent.com/krolyxon/JavaCalc/master/asset/screenshot1.png)
+
+## License
+This project is licensed under the [`GPLv3 LICENSE`](https://github.com/krolyxon/JavaCalc/blob/master/LICENSE)