Definition

An ancient calculating tool consisting of a frame with rows of beads or counters that slide along rods, used for performing arithmetic operations. Still used in some cultures and educational settings despite the prevalence of modern calculators.

Example Usage

The teacher demonstrated how to use an abacus to help the students understand the concept of place value in mathematics.

Origin

From Greek 'abax' and Latin 'abacus,' possibly derived from Semitic languages, referring to a board or table covered with dust for drawing or counting.

Fun Fact

The abacus is still widely used in East Asia, and expert abacus users can perform calculations faster than people using calculators.

Source: Definition backfill (hailey)

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