The meaning of ABACUS is an instrument for performing calculations by sliding counters along rods or in grooves. Did you know?

An abacus (pl. abaci or abacuses), also called a counting frame, is a hand-operated calculating tool which was used from ancient times in the ancient Near East, Europe, China, and Russia, until the adoption of the Hindu–Arabic numeral system. [1]

The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool which has been used since ancient times. It was used in the ancient Near East, Europe, China, and Russia, millenia before the adoption of the Hindu-Arabic numeral system. The exact origin of the abacus has not yet emerged.

An abacus (plurals abacuses or abaci), also called a counting frame, is a calculating tool for performing arithmetical processes, often constructed as a wooden frame with beads sliding on wires. The user, called an abacist, slides counters by hand on rods or in grooves.

a counting device that consists of a frame holding rods on which a specific number of beads are free to move. Each rod designates a given denomination, such as units, tens, hundreds, etc, in the decimal system, and each bead represents a digit or a specific number of digits. Collins English Dictionary. Copyright © HarperCollins Publishers.

Define abaci. abaci synonyms, abaci pronunciation, abaci translation, English dictionary definition of abaci. n. A plural of abacus. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing...

Mar 2, 2025 · abacus, calculating device, probably of Babylonian origin, that was long important in commerce. It is the ancestor of the modern calculating machine and computer. The earliest “abacus” likely was a board or slab on which a Babylonian spread sand in order to trace letters for general writing purposes.

Apr 12, 2025 · A mechanical counting device consisting of a frame holding a series of parallel rods on each of which beads are strung. Each bead represents a counting unit, and each rod a place value. The primary purpose of the abacus is not to perform actual computations, but to provide a quick means of storing numbers during a calculation.

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