Did you know? Probably of Babylonian origin, an abacus is a calculating instrument that uses beads that slide along a series of wires or rods set in a frame to represent the decimal places. It is the ancestor of the modern digital calculator.
Mar 21, 2024
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An abacus consists of a two-dimensional array of slidable beads (or similar objects). In their earliest designs, the beads could be loose on a flat surface or ...
Abacus real time expense reporting software is the easiest way to reimburse your team, reconcile corporate cards, and implement your expense policy.
Abacus
Mathematical tool
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An abacus, 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 Arabic numeral system. An abacus consists of a... Wikipedia
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The standard abacus can be used to perform addition, subtraction, division and multiplication; the abacus can also be used to extract square-roots and cubic ...
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(27) · $9.99 · In stock
Features · [Reliability]-The abacus is a classic form of calculator. · 【Excellent Craftsmanship】 - The frame is polished and round without burrs, so you can ...
$70.00 Out of stock
EZeeCOUNT Abacus. Specially designed with two-textured beads and a large frame to accommodate needs of students who are blind and visually impaired. $70.00.
Duration: 7:35
Posted: Jun 21, 2016
Posted: Jun 21, 2016