JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<head>
<title>Chivalry Calculator</title>
</head>
<SCRIPT LANGUAGE="javascript">

//coded by nabster, translated to javascript by afiNity

function ranktoexp() { window.document.forms[0].output.value=parseFloat(24000 * (Math.pow(2, window.document.forms[0].input.value/6)-1) / Math.log(2));
}

function exptokills() { (window.document.forms[0].output2.value=parseFloat(24000 * (Math.pow(2, window.document.forms[0].input.value/6)-1) / Math.log(2))  / 200); }




function init() { window.document.forms[0].input.focus(); }



</SCRIPT>

<BODY onload=init()>
<h1>Rank to Exp and Kills Calculator</h1>


<table>
<form>
<tr><td>Rank</td></tr>
<tr><td><input type=text name="input"></td></tr>
<tr><td><input type=button value="Calculate" onClick="ranktoexp();exptokills()"></td></tr>
<tr><td>Experience</td></tr>
<tr><td><input type=text name="output"></td></tr> <tr>
<tr><td>Kills</td></tr>
<tr><td><input type=text name="output2"></td></tr> <tr>
<td><input type=reset value="Delete" onClick="init()"></td></tr>
</form>
</table>


</BODY>
</html>