sexagesimal arithmetic

1 definition found

sexagesimal arithmetic - Collaborative International Dictionary of English v.0.48 :

  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]