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  1. Abacus - Wikipedia

    The Greek abacus was a table of wood or marble, pre-set with small counters in wood or metal for mathematical calculations. [26] This Greek abacus was used in Achaemenid Persia, the …

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

    Nov 17, 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 abacus …

  3. Abacus Explained — Everything You Need To Know - History

    May 23, 2025 · Abacus History As the most ancient calculator known, the origin and inventor of the abacus is unknown. It’s been used for centuries in China and has a long history of use in …

  4. Abacus - New World Encyclopedia

    It was in use centuries before the adoption of the written Hindu-Arabic numeral system and is still widely used by merchants and clerks in China, Japan, Africa and elsewhere. The abacus is a …

  5. The History of the Abacus: From Ancient Mesopotamia to …

    Sep 14, 2023 · Understanding its origins requires examining the mathematical challenges faced by early civilizations and the ingenious solutions they developed. The Sumerians of ancient …

  6. The Abacus and the Numeral Frame - National Museum of American History

    The abacus is a computing device on which arithmetic calculations are performed by sliding counters (beads, pebbles, or flat discs) along rods, wires or lines. The instrument may have …

  7. The Abacus: A Brief History - Toronto Metropolitan University

    It is difficult to imagine counting without numbers, but there was a time when written numbers did not exist. The earliest counting device was the human hand and its fingers, capable of …

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

    Nov 1, 2025 · Discover the abacus, a historic tool still vital in math, accounting, and education. Learn its usage, relevance today, and why it remains a trusted device globally.

  9. The History of Abacus: From Ancient Times to Modern Education

    May 3, 2025 · Step back in time and explore the fascinating journey of the abacus—a tool that has shaped mathematics and education for centuries! From its ancient origins to its modern …

  10. Abacus-World's first calculator | History of Computers - Cuemath

    Nov 11, 2020 · Learn about the history of Abacus, the most ancient calculating device known to mankind. Discover the journey of this remarkable device from 300 BC when it was first used …