FR668228A - Machine à multiplier et procédés de multiplication - Google Patents

Machine à multiplier et procédés de multiplication

Info

Publication number
FR668228A
FR668228A FR668228DA FR668228A FR 668228 A FR668228 A FR 668228A FR 668228D A FR668228D A FR 668228DA FR 668228 A FR668228 A FR 668228A
Authority
FR
France
Prior art keywords
multiplication
machine
methods
multiplication methods
multiplication machine
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)
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 FR668228A publication Critical patent/FR668228A/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
    • G06F7/465—Multiplying; dividing by partial product forming (with electric multiplication table)

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Credit Cards Or The Like (AREA)
  • Medicines Containing Plant Substances (AREA)
FR668228D 1928-01-05 1929-01-05 Machine à multiplier et procédés de multiplication Expired FR668228A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US244594A US2178950A (en) 1928-01-05 1928-01-05 Multiplying machine

Publications (1)

Publication Number Publication Date
FR668228A true FR668228A (fr) 1929-10-29

Family

ID=22923378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR668228D Expired FR668228A (fr) 1928-01-05 1929-01-05 Machine à multiplier et procédés de multiplication

Country Status (5)

Country Link
US (1) US2178950A (ja)
DE (1) DE654052C (ja)
FR (1) FR668228A (ja)
GB (3) GB327431A (ja)
NL (2) NL37792C (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB673926A (en) * 1947-10-14 1952-06-18 Duba Ab Improvements in electrically operated calculating machines
US2651458A (en) * 1951-01-24 1953-09-08 Eastman Kodak Co Automatic sequence-controlled computer
NL102606C (ja) * 1951-10-04
US3002689A (en) * 1958-03-31 1961-10-03 Burroughs Corp Multiplier accounting machine

Also Published As

Publication number Publication date
US2178950A (en) 1939-11-07
NL37792C (ja)
GB327431A (en) 1930-04-04
DE654052C (de) 1937-12-17
NL45220C (ja)
GB327430A (en) 1930-04-04
GB303517A (en) 1930-04-04

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