FR942833A - Improvements to electric calculating machines - Google Patents

Improvements to electric calculating machines

Info

Publication number
FR942833A
FR942833A FR942833DA FR942833A FR 942833 A FR942833 A FR 942833A FR 942833D A FR942833D A FR 942833DA FR 942833 A FR942833 A FR 942833A
Authority
FR
France
Prior art keywords
calculating machines
electric calculating
electric
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
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.)
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 FR942833A publication Critical patent/FR942833A/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
    • G06F7/468—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators for evaluating functions by calculation
    • 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
    • G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
    • G06F7/44—Multiplying; Dividing
    • G06F7/446—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)
  • Mathematical Analysis (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Keying Circuit Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
FR942833D 1943-03-30 1946-06-28 Improvements to electric calculating machines Expired FR942833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US481075A US2394924A (en) 1943-03-30 1943-03-30 Electric calculating machine

Publications (1)

Publication Number Publication Date
FR942833A true FR942833A (en) 1949-02-18

Family

ID=23910481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942833D Expired FR942833A (en) 1943-03-30 1946-06-28 Improvements to electric calculating machines

Country Status (5)

Country Link
US (1) US2394924A (en)
DE (1) DE931502C (en)
FR (1) FR942833A (en)
GB (1) GB577195A (en)
NL (1) NL78641C (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736493A (en) * 1956-02-28 C ellerbeck
US2736494A (en) * 1956-02-28 Square root calculating machine
DE1001510B (en) * 1945-12-21 1957-01-24 IBM Deutschland Internationale Büro - Maschinen Gesellschaft mbH, Smdelfingen (Wurtt) Punch card-controlled multiplier
US2574283A (en) * 1946-03-27 1951-11-06 John T Potter Predetermined electronic counter
US2493862A (en) * 1946-10-03 1950-01-10 Ibm Dividing machine
US2817477A (en) * 1947-03-14 1957-12-24 Bell Telephone Labor Inc Electronic computer
US2620974A (en) * 1947-03-31 1952-12-09 Raymond L A Valtat Binary network type calculating machine
US2560172A (en) * 1948-03-31 1951-07-10 Automatic Elect Lab Binary binomial sequential analyzer
US2703201A (en) * 1949-03-24 1955-03-01 Ibm Electronic divider
US2829822A (en) * 1949-10-24 1958-04-08 Marchant Calculators Inc Binary value calculator
NL162922B (en) * 1950-08-16 Montedison Spa PROCEDURE TO PREPARE A CATALYST FOR THE POLYMERIZATION OF ALKINES-1.
US2876687A (en) * 1951-06-26 1959-03-10 Graphic Arts Res Foundation In Type composing apparatus
DE1039767B (en) * 1953-03-10 1958-09-25 Grundig Max Electrical product builder
NL187900B (en) * 1953-05-28 Bizien Jules VEHICLE EQUIPPED WITH A LOAD COMPARTMENT WITH SLIDING DOORS.
US2829827A (en) * 1954-03-01 1958-04-08 Ibm Electronic multiplying machine
US2855147A (en) * 1954-11-12 1958-10-07 Phillips Petroleum Co Polynomial multiplier
DE1051031B (en) * 1954-11-23 1959-02-19 IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Württ.) Partial product builder
US2921738A (en) * 1955-04-18 1960-01-19 Phillips Petroleum Co Polynomial multiplier
US2961160A (en) * 1956-05-28 1960-11-22 Toledo Scale Corp Electronic multiplier
GB819365A (en) * 1956-05-12 1959-09-02 Emi Ltd Improvements relating to apparatus for multiplying binary numbers
US2934268A (en) * 1956-05-28 1960-04-26 Bell Telephone Labor Inc Square root computer
US3023961A (en) * 1957-05-23 1962-03-06 Thompson Ramo Wooldridge Inc Apparatus for performing high speed division
DE1119021B (en) * 1958-06-04 1961-12-07 Zuse K G Calculating device for multiplying numbers
NL263156A (en) * 1960-04-05

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE664012C (en) * 1931-09-12 1938-08-20 Raymond Louis Andre Valtat Adding machine

Also Published As

Publication number Publication date
DE931502C (en) 1955-09-22
NL78641C (en)
US2394924A (en) 1946-02-12
GB577195A (en) 1946-05-08

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