8000 to 2000 BC · Neolithic Shopper
Traders have always needed counting boards of some kind. The earliest versions, which predated the abacus, would have been used by traders at markets. Traders drew lines in the sand with their fingers or a stylus of some kind. They would then place pebbles between those lines to represent numbers.
The Abacus – or counting frame – evolved from ancient times, through to the Middle Ages and Modern Times. In 500 BC the early counting boards included The Salamis Tablet, the Roman Calculi and the hand-abacus. The Roman hand abacus was often made from stone and metal.
In the Middle Ages came the Apices, the coin-board, and the line-board, which date from 5 AD to around 1400 AD.
Most were made from wood, and originally the beads on which you counted ran vertically. By the time the system had evolved to line-boards, the columns ran horizontally.
From 1200 AD the abacus evolved into the Chinese suan-pan, the Japanese soroban, and the Russian schoty. The classic Chinese abacus is the one we are most familiar with. It has two beads on the upper deck and five on the lower deck, and is often called the ‘2/5’ abacus. From about 1850 this was replaced with the ‘1/5’ abacus, with one bead on the top deck and five beads on the bottom deck.
The Chinese abacus was further adapted by Lee Kai-Chen, and by 1958 the ‘new’ abacus could be found in use, complete with an instruction book. It has more decks top and bottom combining the ‘1/4’ soroban model and the ‘2/5’ suan-pan style. Kai-Chen said it was a “Revolution of Chinese Calculators”.
Contribution to Retail History
The abacus, or beads on a board, provided an easier and more sophisticated retail transaction methodology and was actually the bridge from pebbles, twigs and lines in the sand to the first calculator. The abacus simplified the mathematical process for merchants and traders and was used for about 3,600 years until the first mechanical calculator appeared in 1642.
See where this object sits in the sweep of retail history →
About the series. The History of Retail in 101 Objects is compiled and edited by David Roth, CEO of The Store WPP and Chairman of WPP BAV. It tells the story of retail through the objects that shaped it, from the cave to the connected store, organised across the historical periods in which each innovation made its mark. As David puts it, the history of retail is the history of mankind, and of retail’s vast contribution to society. A new object appears here every Monday.
This is the fourth edition, the World Retail Hall of Fame edition. The book, and every object published so far →
