RECKONER
\ɹˈɛkənə], \ɹˈɛkənə], \ɹ_ˈɛ_k_ə_n_ə]\
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an expert at calculation (or at operating calculating machines)
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a handbook of tables used to facilitate computation
By Princeton University
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an expert at calculation (or at operating calculating machines)
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a handbook of tables used to facilitate computation
By DataStellar Co., Ltd
By Stormonth, James, Phelp, P. H.
Word of the day
Under-arm
- Done (as bowling) with the arm not raised above elbow, that is, swung far out from body; underhand. Cf. Over-and Round-Arm.