Worlds of David Darling
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ARITHMETIC



   • addition
   • arithmetic

   • base
   • binary

   • casting out nines
   • common fraction
   • cryptarithm

   • decimal fraction
   • denominator
   • division

   • fly-between-trains problem
   • four fours problem
   • fundamental theorem of arithmetic

   • lowest common multiple

   • multiplication

   • negative base
   • number system

   • percentage
   • period, of a decimal expansion
   • place-value system
   • product
   • proportional

   • quotient

   • ratio
   • reciprocal
   • Russian multiplication

   • St. Ives problem
   • skeletal division
   • subtraction

   • wheat and chessboard problem

Related category

   • NUMBER THEORY


Related supercategory

   • MATHEMATICS