Whilst the sound of a cash register might hold a certain nostalgic value for many ‘old-school’ business owners, the days of the conventional cash register have long since been and gone. Even the smallest businesses will now have their ’tills’ linked to a computerised system that tracks sales, inventory and more besides, these systems are referred to as ‘point of sale’ (POS) or ‘electronic point of sale‘ (EPOS) systems. POS systems have become the standard for a reason; they are not only more reliable than conventional cash registers but they do so much more than just ring up sales.…