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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

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

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

From The Lost Valley by Walsh, James Morgan

On large matters he went right by the very largeness of his mind; but in small matters he suffered from the lack of any logical test and ready reckoner.

From Appreciations and Criticisms of the Works of Charles Dickens by Chesterton, G. K. (Gilbert Keith)

This story may serve to show how nature supplies man with a ready reckoner in his faculty of perception, which suffices well enough for the affairs of the simpler sort of life.

From Anthropology by Marett, R. R. (Robert Ranulph)

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