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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English reknere, rekenere. Cognate with Afrikaans rekenaar, Dutch Low Saxon rekener, German Rechner, Danish regner, Swedish räknare. By surface analysis, reckon + -er.
calculator, figurer, estimator, computer
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Classic usage
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