---
title: RPNCalc v2
slug: rpncalc2
description: A Reverse Polish Notation (check wikipedia) calculator, version 2. Buggy and kind of unreliable. This updated version implements advanced features such as subtraction.
<link rel="stylesheet" href="calc.css">
<center><div id="output"></div></center>
<hr>
<input type="text" id="input" default="Input RPN expression" oninput="calculateFromInput()">
</div>
<script src="calc.js"></script>
