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Decimal arithmetic

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Decimal \Dec"i*mal\, a. [F. d['e]cimal (cf. LL. decimalis), fr.
   L. decimus tenth, fr. decem ten. See {Ten}, and cf. {Dime}.]
   Of or pertaining to decimals; numbered or proceeding by tens;
   having a tenfold increase or decrease, each unit being ten
   times the unit next smaller; as, decimal notation; a decimal
   coinage.

   {Decimal arithmetic}, the common arithmetic, in which
      numeration proceeds by tens.

   {Decimal fraction}, a fraction in which the denominator is
      some power of 10, as 2/10, 25/100, and is usually not
      expressed, but is signified by a point placed at the left
      hand of the numerator, as .2, .25.

   {Decimal point}, a dot or full stop at the left of a decimal
      fraction. The figures at the left of the point represent
      units or whole numbers, as 1.05.
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