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reckoner

/rek-uh-ner/US // ˈrɛk ə nər //UK // (ˈrɛkənə) //

计算器,计数器,计算者,算盘

Related Words

Definitions

n.名词 noun
  1. 1
    • : a person who reckons.
    • : Also called ready reckoner. a collection of mathematical and other tables for ready calculation.

Synonyms & Antonyms

Examples

  • William Sutcliffe on his return said that Sammy's three notes were pinned in a ready reckoner.

  • Having been pinned in the ready reckoner, it would show the marks of pin-holes.

  • Sometime during the night the quill of the dead reckoner had traced its fine red line over the 30th meridian.

  • True, all turns on your Ready-Reckoner being moderately correct,—being not insupportably incorrect!

  • He becomes an astoundingly quick and accurate reckoner without other aid than a moment's reflection.