ready reckoner
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ready reckoner
n
(Mathematics) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Reckoner
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
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Noun 1. ready 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.
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Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995