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A handbook of mathematical tables used to facilitate computation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Mathematics) any of various devices or tables used to facilitate reckoning, esp a ready reckoner
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


A small book of assorted tables that was mainly used by store owners who did not want to take the time to do the necessary arithmetic, or by those who did not know how to do the calculations. Included were tables such as interest amount vs. time and rate, board dimensions vs. board feet, and cistern capacity vs. cistern dimensions.
1001 Words and Phrases You Never Knew You Didn’t Know by W.R. Runyan Copyright © 2011 by W.R. Runyan
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Reckoner - an expert at calculation (or at operating calculating machines)reckoner - an expert at calculation (or at operating calculating machines)
expert - a person with special knowledge or ability who performs skillfully
adder - a person who adds numbers
number cruncher - someone able to perform complex and lengthy calculations
actuary, statistician - someone versed in the collection and interpretation of numerical data (especially someone who uses statistics to calculate insurance premiums)
subtracter - a person who subtracts numbers
2.reckoner - a handbook of tables used to facilitate computation
enchiridion, handbook, vade mecum - a concise reference book providing specific information about a subject or location
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
"You are a most accurate and honest reckoner. I should call that a month."
But let the wise be warned against too great readiness at explanation: it multiplies the sources of mistake, lengthening the sum for reckoners sure to go wrong.
Summary: Hussain felt the need for a ready reckoner to avoid confusion in the financial world
Summary: New Delhi [India], Dec 4 (ANI): Taxmann Publications announced the release of the 6th edition of Goods and Services Tax (GST) tariff with Rate Reckoner. This publication provides HSN-Wise GST rates of goods and services, and incorporates all changes made by the GST Council in its 23rd meeting, which were notified on November 14.
The book will serve as a ready reckoner to newly budding Vets stepping into companion animal practice with the normal hematology and biochemical parameters, vaccination schedules, drug dosages etc.
CAIRR (Companies Act Integrated Ready Reckoner) is a free to access website on the Companies Act, 2013 with four distinctive features: It integrates rules, notifications, orders and circulars with the Act by providing hyperlinks in the Sections for easy reference.
They can be downloaded and printed if required, from the GOV.UK website, alongside details of our free record keeping apps for mobile devices and our Self-Assessment Ready Reckoner reckoner/calculator.htm
An online ready reckoner gives students an indication about grant eligibility before making an application.
17-year-old Cassandra Leung has worked her entire life to become a Reckoner trainer, one of those entrusted with managing the "ruthless killing machines" used in her world to protect boats as they navigate pirate-infested waters.
The government has gone in for an average 15 per cent hike in ready reckoner rates, which determine the amount of stamp duty and other taxes.
According to Delhi Chief Electoral Officer Vijay Dev, the EC decided to prepare a list of each item used during the election process and fix their rates to serve as a ready- reckoner to help calculate expenditure.