'Sexagenary arithmetic' definitions:
Definition of 'Sexagenary arithmetic'
From: GCIDE
- Sexagenary \Sex*ag"e*na*ry\, a. [L. sexagenarius, fr. sexageni sixty each, akin to sexaginta sixty, sex six: cf. sexag['e]naire. See Six.] Pertaining to, or designating, the number sixty; poceeding by sixties; sixty years old. [1913 Webster]
- Sexagenary arithmetic. See under Sexagesimal.
- Sexagenary scale, or Sexagesimal scale (Math.), a scale of numbers in which the modulus is sixty. It is used in treating the divisions of the circle. [1913 Webster]
Definition of 'Sexagenary arithmetic'
From: GCIDE
- Sexagesimal \Sex`a*ges"i*mal\, a. [Cf. F. sexag['e]simal.] Pertaining to, or founded on, the number sixty. [1913 Webster]
- Sexagesimal fractions or Sexagesimal numbers (Arith. & Alg.), those fractions whose denominators are some power of sixty; as, 1/60, 1/3600, 1/216000; -- called also astronomical fractions, because formerly there were no others used in astronomical calculations.
- Sexagesimal arithmetic, or Sexagenary arithmetic, the method of computing by the sexagenary scale, or by sixties.
- Sexagesimal scale (Math.), the sexagenary scale. [1913 Webster]