FR569041A - Perfectionnements apportés aux machines à calculer - Google Patents

Perfectionnements apportés aux machines à calculer

Info

Publication number
FR569041A
FR569041A FR569041DA FR569041A FR 569041 A FR569041 A FR 569041A FR 569041D A FR569041D A FR 569041DA FR 569041 A FR569041 A FR 569041A
Authority
FR
France
Prior art keywords
calculating machines
machines
calculating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
James Mark Mcginnis Barr
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR569041A publication Critical patent/FR569041A/fr
Expired legal-status Critical Current

Links

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
    • G06F7/46—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators
    • G06F7/462—Multiplying; dividing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Pinball Game Machines (AREA)
  • Calculators And Similar Devices (AREA)
FR569041D 1922-03-01 1923-07-25 Perfectionnements apportés aux machines à calculer Expired FR569041A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6068/22A GB203236A (en) 1922-03-01 1922-03-01 Improvements in calculating machines

Publications (1)

Publication Number Publication Date
FR569041A true FR569041A (fr) 1924-04-05

Family

ID=9807819

Family Applications (1)

Application Number Title Priority Date Filing Date
FR569041D Expired FR569041A (fr) 1922-03-01 1923-07-25 Perfectionnements apportés aux machines à calculer

Country Status (4)

Country Link
US (1) US1487703A (fr)
DE (1) DE441641C (fr)
FR (1) FR569041A (fr)
GB (1) GB203236A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473444A (en) * 1944-02-29 1949-06-14 Rca Corp Computing system
DE1047490B (de) * 1955-10-21 1958-12-24 Dr Gerhard Dirks Elektronische Zaehlanlage
US3036763A (en) * 1959-05-19 1962-05-29 Friden Inc Calculating machine for converting scale readout to pounds and ounces

Also Published As

Publication number Publication date
DE441641C (de) 1927-03-10
GB203236A (en) 1923-09-06
US1487703A (en) 1924-03-25

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