ace can be replaced by one stone on the line above.</p>
<p><b>Borrowing</b>: Or the reverse a stone in a space can be replaced by 5 stones on the line below or one stone on a line can be replaced by two stones in the space below. Zero is simply represented by an empty line or space. </p>

<img src='../media/refs/roman.png'/>

<ul>
	<li><a href='https://grahamshawcross.com/2014/02/06/five-finger-exercises/' target='_blank'>Five Fingers Exercises</a></li>
</ul>

<h2>Hexdecimal numbers are a base 16 numeral sy