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ready reckoner

American  

noun

  1. reckoner.


ready reckoner British  

noun

  1. a table of numbers used to facilitate simple calculations, esp one for applying rates of discount, interest, charging, etc, to different sums

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ready reckoner

First recorded in 1750–60

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Alongside a new "ready reckoner" tool, allowing farms to calculate how much they might be offered, Irranca-Davies announced £33m for nine preparatory schemes to " back farm businesses during the transition to the new SFS".

From BBC Jul. 20, 2025

A yellow-haired little man, shrewd, and a ready reckoner.

From The Atlantic Monthly, Volume 14, No. 86, December, 1864 by Various

It looks like a page out of a ready reckoner or a mathematician's nightmare.

From The Lost Valley by Walsh, James Morgan

Thomas system ready reckoner 500 cribbage. © on text & other copyrightable elements; 13Jan34; AA141617.

From U.S. Copyright Renewals, 1961 July - December by Library of Congress. Copyright Office

He consulted a ready reckoner that was on the desk.

From The Ragged Trousered Philanthropists by Tressell, Robert

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