Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
  • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
  • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
  • G06F7/491—Computations with decimal numbers radix 12 or 20.
  • G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
  • G06F7/4981—Adding; Subtracting
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
  • G06C7/00—Input mechanisms
  • G06C7/02—Keyboards
  • G06C7/06—Keyboards with one set of keys for each denomination
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
  • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
  • G06F7/46—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators
  • G06F7/461—Adding; subtracting
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
  • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
  • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
  • G06F7/491—Computations with decimal numbers radix 12 or 20.
  • G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
  • G06F7/4983—Multiplying; Dividing
  • G06F7/4985—Multiplying; Dividing by successive additions or subtractions

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Computing Systems (AREA)
• Computational Mathematics (AREA)
• Mathematical Analysis (AREA)
• Mathematical Optimization (AREA)
• Pure & Applied Mathematics (AREA)
• General Engineering & Computer Science (AREA)
• Computer Hardware Design (AREA)
• Input From Keyboards Or The Like (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=27257978

Family Applications (5)

Family Applications Before (2)

Family Applications After (2)

Country Status (2)

• 1957
  • 1957-09-05 DK DK302757A patent/DK105892C/da active
  • 1957-09-06 CH CH5025557A patent/CH374227A/de unknown
  • 1957-09-06 CH CH5025457A patent/CH374226A/de unknown
  • 1957-09-06 CH CH5025157A patent/CH374223A/de unknown
  • 1957-09-06 CH CH5025357A patent/CH374225A/de unknown
  • 1957-09-06 CH CH5025257A patent/CH374224A/de unknown

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