Reckoner — synonyms, definition
1. reckoner (Noun)
5 synonyms
calculator computer estimator figurer ready reckoner
2 definitions
reckoner (Noun) — An expert at calculation (or at operating calculating machines).
reckoner (Noun) — A handbook of tables used to facilitate computation.
4 types of
enchiridion expert handbook vade mecum
6 types
actuary adder number cruncher statistician subtracter web server