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FR740015A - Improvements to accounting machines - Google Patents

Improvements to accounting machines

Info

Publication number
FR740015A
FR740015A FR740015DA FR740015A FR 740015 A FR740015 A FR 740015A FR 740015D A FR740015D A FR 740015DA FR 740015 A FR740015 A FR 740015A
Authority
FR
France
Prior art keywords
accounting machines
accounting
machines
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
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tabulating Machine Co
Original Assignee
Tabulating Machine Co
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 by Tabulating Machine Co filed Critical Tabulating Machine Co
Application granted granted Critical
Publication of FR740015A publication Critical patent/FR740015A/en
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
    • G06F7/465—Multiplying; dividing by partial product forming (with electric multiplication table)

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Direct Current Motors (AREA)
  • Relay Circuits (AREA)
FR740015D 1931-07-30 1932-07-15 Improvements to accounting machines Expired FR740015A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US405030XA 1931-07-30 1931-07-30

Publications (1)

Publication Number Publication Date
FR740015A true FR740015A (en) 1933-01-20

Family

ID=21911311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740015D Expired FR740015A (en) 1931-07-30 1932-07-15 Improvements to accounting machines

Country Status (2)

Country Link
FR (1) FR740015A (en)
GB (1) GB405030A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL86376C (en) * 1936-06-24
DE751372C (en) * 1937-01-01 1954-08-23 Gustav Tauschek Accounting machine
US2484462A (en) * 1944-05-25 1949-10-11 Gen Railway Signal Co Airway traffic control system

Also Published As

Publication number Publication date
GB405030A (en) 1934-01-29

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