cryptarithmeticn.adj.
/ˌkrɪptəˈrɪθmətɪk/, U.S. /ˌkrɪptəˈrɪθməˌtɪk/ (in sense B.)Brit. /ˌkrɪptarᵻθˈmɛtɪk/, U.S. /ˌkrɪptɛrɪθˈmɛdɪk/ A. n.
A branch of mathematics concerned with creating and solving cryptarithms; cryptarithms collectively.
ΘΚΠ
the world > relative properties > number > mathematics > [noun] > theories or branches of
menadry1570
pure mathematics1605
mechanics1612
residuation1846
chaos theory1880
number theory1901
formalism1913
intuitionism1913
replacement theory1914
biomathematics1923
proof theory1929
finitism1935
mereology1938
combinatorics1941
cryptarithmetic1943
game theory1945
numerical analysis1946
queueing theory1951
constructivism1959
complexity1963
catastrophe theory1971
chaology1985
1943 M. Kraitchik Math. Recreations iii. 79 Under the title ‘Cryptarithmie’ (which we have translated as ‘Cryptarithmetic’) the journal Sphinx published, from 1931 to 1939, many problems concerning the restoration of mathematical operations.
1963 M. Brooke (title) 150 puzzles in crypt-arithmetic.
1973 Managem. Sci. 20 440 They give examples of task environments as: chess playing, discovering proofs in logic, and cryptarithmetic.
2005 R. Morris & G. Ward Cognitive Psychol. of Planning iv. 75 Models of processes in a range of tasks (e.g., logic, chess, cryptarithmetic) were successfully developed.
B. adj.
Of the nature of a cryptarithm; involving or relating to cryptarithms.
ΚΠ
1966 Rotarian Nov. 31/1 One of the most popular forms of this number play is the crypt-arithmetic puzzle set.
1967 A. Newell (title) Studies in problem solving; subject 3 on the crypt-arithmetic task Donald + Gerald = Robert.
1997 Training & Devel. (Nexis) Aug. 68 The answer to the cryptarithmetic problem is: R = 7, G = 1, A = 4, L = 8, N = 6, B = 3, O = 2.
2007 J. Gammack et al. Bk. of Informatics vi. 227 Crypt-arithmetic problems are also constraint problems.
This is a new entry (OED Third Edition, June 2011; most recently modified version published online March 2022).
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n.adj.1943