ready reckoner

American  

noun

1. reckoner.

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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

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Etymology

Origin of ready reckoner

First recorded in 1750–60

Example Sentences

See Examples For:

ready reckoner

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

He never opened a book, save a manual of husbandry or a ready reckoner; he could conceive of no reason for walking, unless it were the business of the farm.

From In Clive's Command A Story of the Fight for India by Herbert Strang

You’ve a good business, Mr. Macartney, so I dare say you’re a ready reckoner.

From We and the World, Part II A Book for Boys by Juliana Horatia Gatty Ewing

Also she was somethin' of a ready reckoner.

From Side-stepping with Shorty by Sewell Ford