reckoner

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. an expert at calculation (or at operating calculating machines)
• Syn:
calculator, figurer, estimator, computer
• Derivationally related forms:
compute (for: computer), computerise (for: computer), estimate (for: estimator), figure (for: figurer), reckon, calculate (for: calculator)
• Hypernyms:
expert
• Hyponyms:
adder, number cruncher, statistician, actuary, subtracter
2. a handbook of tables used to facilitate computation
• Syn:
ready reckoner
• Hypernyms:
handbook, enchiridion, vade mecum

• Từ đồng nghĩa / Synonyms:
  ready reckoner, calculator, figurer, estimator, computer