Ciphering and Arithmetic
(p.pr.&vb.n.) of Cipher.
Webster's Revised Unabridged Dictionary
noun
- The branch of pure mathematics dealing with the theory of numerical calculations.
adjective
- Relating to or involving arithmetic.
- usage: "arithmetical computations"
- synonyms: arithmetical
WordNet 3.0 © 2006 by Princeton University
- (n.) A book containing the principles of this science.
- (n.) The science of numbers; the art of computation by figures.
Webster's Revised Unabridged Dictionary