The abacus is a device, usually of wood (romans made them out of metal and they are made of plastic in modern times), having a frame that holds rods with freely-sliding beads mounted on them.īoth the abacus and the counting board are mechanical aids used for counting they are not calculators in the sense we use the word today. The counting board is a piece of wood, stone or metal with carved grooves or painted lines between which beads, pebbles or metal discs were moved. It is important to distinguish the early abacuses (or abaci) known as counting boards from the modern abaci. What is the difference between a counting board and an abacus? When the Hindu-Arabic number system came into use, abaci were adapted to use place-value counting.Ībaci evolved into electro-mechanical calculators, pocket slide-rules, electronic calculators and now abstract representations of calculators or simulations on smartphones. The abacus is one of many counting devices invented to help count large numbers. Various portable counting devices were invented to keep tallies. Merchants who traded goods needed a way to keep count (inventory) of the goods they bought and sold. Then, as even larger quantities (greater than ten fingers and toes could represent) were counted, various natural items like pebbles, sea shells and twigs were used to help keep count. The earliest counting device was the human hand and its fingers, capable of counting up to 10 things toes were also used to count in tropical cultures. ![]() It is difficult to imagine counting without numbers, but there was a time when written numbers did not exist. The abacus is one of many types of counting devices which are used to count large numbers. in their original packaging with all documentation, and the item and its packaging are undamaged and unused.Abacus is a Latin word that has its origins in the Greek words abax or abakon (meaning "table" or "tablet") which in turn, possibly originated from the Semitic word abq, meaning "sand". ![]() You will have 14 days from the date you received your order and you should return it to us in store.Finally, please note that you will be responsible for all transport costs when returning an item to us.Returns Address:Cusack Lighting, Unit 2A, Crystal Business Park, Dublin Rd, Cavan, H12 NA03We reserve the right to refuse a return under this policy, if the goods are not in a re-saleable, as sold condition. If the original purchase was made with a credit/debit card, that card must be physically present and available when the refund is made.Refunds will be refused for items returned without an original receipt.Online Purchases:If you’re unhappy with your purchase, please let us know. Below is everything you need to know in regards to returns and exchanges.In Store Purchases:If you purchased your item in store, you have 14 days from your purchase/date of receipt to return the item to us once it is in its original packaging, undamaged and hasn’t been fitted in order to receive an exchange or refund.If the unwanted item is returned as sold and is accompanied by the original receipt within a 14 day period, we can refund you in full by the original payment method, or offer you an exchange, or offer you a Cusack Lighting gift card to the same value. ![]() For any reason you are not, please let us know by contacting us via email and we will do everything we can to help solve the given issue. We hope you’re happy with your Cusack Lighting purchase.
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