<h2>Hexdecimal numbers are a base 16 numeral system.</h2>

<p>Hexadecimal numerals are widely used by computer system designers and programmers because they provide a human-friendly representation of binary-coded values. Each hexadecimal digit represents four bits.</p>

<img src='../media/refs/bruce_martin.png' width='300'/>

<h3>Finger Counting</h3>

<p>Finger binary is a system for counting and displaying binary numbers on the fingers of one or more hands. It is possible to count from 0 to 31 using the fi