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  1. Abacus - Wikipedia

    Abacus-based mental calculation (AMC), which was derived from the abacus, is the act of performing calculations, including addition, subtraction, multiplication, and division, in the mind by manipulating …

  2. New Abacus Poll: Liberals Open Their Largest Lead Since ...

    3 days ago · New Abacus Poll: Liberals Open Their Largest Lead Since Carney Became Leader as Optimism Hits Multi-Year High Canadian Politics David Coletto February 15, 2026 Between February …

  3. Abacus | Definition, History, Origin, & Facts | Britannica

    Jan 9, 2026 · 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 abacus was in …

  4. How to Use an Abacus (with Pictures) - wikiHow

    Aug 6, 2025 · The abacus (the suanpan is the most useful variety) is a deceptively simple calculating tool still used all over the world. It's a useful learning device for the visually impaired, as well as for …

  5. Abacus - New World Encyclopedia

    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.

  6. What Is an Abacus? - Computer Hope

    Sep 7, 2025 · Meaning of the abacus, a mechanical device for performing mathematical calculations, its history, usage today, benefits of learning it, and usage instructions.

  7. Abacus: Definition, Uses, and Its Role Today - Investopedia

    Nov 1, 2025 · What Is an Abacus? Both a historical and modern tool, an abacus is a calculation tool used by sliding counters along rods or grooves in order to perform mathematical functions.

  8. Abacus - Simple English Wikipedia, the free encyclopedia

    The Latin word came from ancient Greek ἄβαξ (abax) which means something without base, or (improperly) any piece of rectangular board or plank. Both abacuses' and abaci are used as plurals. …

  9. Abacus Life Solutions | Abacus Global Management, Inc.

    Abacus Life Solutions Revolutionizing the Life Settlement Market In our life solutions business, we specialize in helping clients achieve financial security by providing a suite of retirement products and …

  10. Abacus - Math is Fun

    An abacus has beads that slide on rods. ... It can be used to count, add, subtract, multiply and more. ... Slide 3 beads UP on the right-most column 1 bead UP on the 2nd-from-right