An abacus is an ancient tool used for counting, consisting of a framed set with rods on which balls or beads are moved. The abacus has been in existence in China since the second century BCE, although ...

History of Computers and Computing, Calculating tools In this section will be examined some calculating tools, used by mankind in the past 2000 years. Of course we will start with the abacus, the most ...

Our modern terms “calculate” and “calculus” come from the term calculi, while the word “abacus” comes from a Greek word meaning a board or slab, or a calculating table. The abacus has taken many forms ...

Our modern terms “calculate” and “calculus” come from the term calculi, while the word “abacus” comes from a Greek word meaning a board or slab, or a calculating table. The abacus has taken many forms ...