English to English

noun (n)

• an expert at calculation (or at operating calculating machines)

  ahli dalam pengiraan (atau di operasi kalkulator mesin)

  Synonym:
  calculator, computer, figurer, reckoner
  

  source: wordnet30
• One who estimates or values; a valuer.

  yang menurut atau nilai; seorang penilai.

  source: webster1913