FR830762A - Perfectionnements aux machines à multiplier et à vérifier les opérations - Google Patents

Perfectionnements aux machines à multiplier et à vérifier les opérations

Info

Publication number
FR830762A
FR830762A FR830762DA FR830762A FR 830762 A FR830762 A FR 830762A FR 830762D A FR830762D A FR 830762DA FR 830762 A FR830762 A FR 830762A
Authority
FR
France
Prior art keywords
multiply
machines
check operations
check
operations
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)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR830762A publication Critical patent/FR830762A/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)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Lock And Its Accessories (AREA)
  • Credit Cards Or The Like (AREA)
FR830762D 1936-09-25 1937-09-22 Perfectionnements aux machines à multiplier et à vérifier les opérations Expired FR830762A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US102470A US2230673A (en) 1936-09-25 1936-09-25 Multiplying and checking machine
US169946A US2206218A (en) 1936-09-25 1937-10-20 Comparing and checking machine

Publications (1)

Publication Number Publication Date
FR830762A true FR830762A (fr) 1938-08-09

Family

ID=26799402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830762D Expired FR830762A (fr) 1936-09-25 1937-09-22 Perfectionnements aux machines à multiplier et à vérifier les opérations

Country Status (4)

Country Link
US (2) US2230673A (fr)
DE (1) DE727372C (fr)
FR (1) FR830762A (fr)
GB (1) GB502618A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545636A (en) * 1941-06-24 1951-03-20 Underwood Corp Printing and punching means for accounting machines
US2658682A (en) * 1949-01-31 1953-11-10 Ibm Record controlled machine
BE496519A (fr) * 1949-06-22
US2603416A (en) * 1949-08-13 1952-07-15 Ibm Summary card punch and collator
GB736144A (en) * 1950-08-16 1955-09-07 Remington Rand Inc Binary automatic computer
NL232860A (fr) * 1957-12-03 1900-01-01
US3159337A (en) * 1961-09-11 1964-12-01 Soroban Engineering Inc Punch and tape feed verifying apparatus

Also Published As

Publication number Publication date
US2206218A (en) 1940-07-02
DE727372C (de) 1943-06-09
GB502618A (en) 1939-03-22
US2230673A (en) 1941-02-04

Similar Documents

Publication Publication Date Title
FR833975A (fr) Perfectionnements aux machines à regrouper les cartes enregistreuses
FR845884A (fr) Perfectionnements apportés aux machines à calculer
FR842777A (fr) Perfectionnements aux machines à multiplier
FR829244A (fr) Perfectionnements aux machines à cryptographier
FR824584A (fr) Perfectionnements aux machines à fabriquer les enveloppes
FR830762A (fr) Perfectionnements aux machines à multiplier et à vérifier les opérations
FR843170A (fr) Perfectionnements aux machines à calculer
FR829233A (fr) Perfectionnements aux machines à diviser
FR824855A (fr) Perfectionnements aux machines à trancher
FR833968A (fr) Perfectionnements aux machines tabulatrices
FR837012A (fr) Perfectionnements apportés aux machines à calculer
FR49227E (fr) Perfectionnements aux machines combinées à additionner et à trier
FR827669A (fr) Perfectionnements aux machines à calculer
FR821108A (fr) Perfectionnements aux machines à calculer
FR827324A (fr) Perfectionnements aux machines à calculer
FR806125A (fr) Perfectionnements aux machines à ramer
FR839785A (fr) Perfectionnements apportés aux machines à calculer
FR822056A (fr) Perfectionnements apportés aux grenades à main
FR49851E (fr) Perfectionnements aux machines comptables et plus particulièrement aux machines à multiplier
FR830755A (fr) Perfectionnements aux machines comptables et plus particulièrement aux machines à multiplier
FR823134A (fr) Perfectionnements aux machines à calculer et à imprimer
FR818367A (fr) Perfectionnements aux machines à calculer
FR810156A (fr) Perfectionnements aux machines à calculer
FR827583A (fr) Perfectionnements apportés aux machines à calculer
FR822923A (fr) Perfectionnements aux machines à imprimer