reckoner(redirected from reckoners)
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A handbook of mathematical tables used to facilitate computation.
(Mathematics) any of various devices or tables used to facilitate reckoning, esp a ready 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.
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|Noun||1.||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|