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Reckoning board
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quadro de contagem
a manual calculating tool with rows of beads or counters on rods or wires used for basic arithmetic operations
Exemplo
Historically, bankers and accountants relied on reckoning boards to keep track of financial transactions before the advent of modern calculators.
Archaeologists unearthed well-preserved reckoning boards at ancient sites, shedding light on mathematical practices of past civilizations.
In ancient civilizations, merchants and traders used reckoning boards, or abacuses, to perform calculations for trade and commerce.
Some cultures continue to use reckoning boards as educational tools to teach children basic arithmetic skills.
The teacher introduced students to the concept of counting and arithmetic using a reckoning board during a history lesson on ancient civilizations.
