Keyword Analysis & Research: abacus calculator history

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What is the history of the abacus?

The word Abacus comes from a Greek word ‘abax’ or ‘abakon’ meaning ‘tabular form’, possibly derived from a Semitic word ‘abq’ or ‘sand’. It is the most primitive form of calculating device, invented somewhere between 300-500 BC. Abacus has traveled a long way and had transitions as it traveled through different countries.

What is the difference between an abacus and a counting board?

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. Both the abacus and the counting board are mechanical aids used for counting; they are not calculators in the sense we use the word today.

Who used the sexagesimal number system in abacus?

Old Babylonian scholars such as Curricio believe that the old Babylonian used their sexagesimal number system in Abacus to calculate. There is archeological evidence of usage of the abacus in Greek during 5th-century bc.

Why are abacus computations called bead computations?

Because of this, abacus computations are also called bead computations. To use the abacus well, one must recite a concise formula by which the calculations of addition, subtraction, multiplication and division can all be simplified into the acts of moving the beads.


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