FANDOM


  • abacus
  • adding machine
  • arithmograph
  • arithmometer
  • calculating machine
  • cash register
  • compass
  • computer
  • counter
  • difference engine
  • electromechanical calculator
  • handheld calculator or hand calculator
  • isograph
  • mechanical calculator
  • Napier's bones or rods
  • number-cruncher
  • online calculator
  • pocket calculator
  • programmable calculator
  • quipu or khipu
  • rule
  • scientific calculator
  • slide rule or sliding scale
  • suan pan
  • tabulator
  • tally or tally stick
  • totalizator
  • Turing machine

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