IT454514A - - Google Patents

Info

Publication number
IT454514A
IT454514A IT454514DA IT454514A IT 454514 A IT454514 A IT 454514A IT 454514D A IT454514D A IT 454514DA IT 454514 A IT454514 A IT 454514A
Authority
IT
Italy
Application number
Other languages
Italian (it)
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.)
Publication of IT454514A publication Critical patent/IT454514A/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
    • G06F7/4983—Multiplying; Dividing
    • G06F7/4985—Multiplying; Dividing by successive additions or subtractions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrotherapy Devices (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
IT454514D 1948-07-09 IT454514A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38078A US2658681A (en) 1948-07-09 1948-07-09 Electronic calculator

Publications (1)

Publication Number Publication Date
IT454514A true IT454514A (en:Method)

Family

ID=21897977

Family Applications (1)

Application Number Title Priority Date Filing Date
IT454514D IT454514A (en:Method) 1948-07-09

Country Status (7)

Country Link
US (1) US2658681A (en:Method)
BE (1) BE490003A (en:Method)
CH (1) CH291687A (en:Method)
FR (1) FR1051750A (en:Method)
GB (1) GB673759A (en:Method)
IT (1) IT454514A (en:Method)
NL (1) NL214607A (en:Method)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954926A (en) * 1953-01-13 1960-10-04 Sperry Rand Corp Electronic data processing system
GB745833A (en) * 1953-03-17 1956-03-07 Nat Res Dev Digital computing engines
BE534876A (en:Method) * 1954-01-15
US2886239A (en) * 1954-02-16 1959-05-12 Willem Hendrik Theodorus Helmi Check symbol computer
NL198494A (en:Method) * 1954-07-01
US2982472A (en) * 1955-05-02 1961-05-02 Harry D Huskey Binary digital computer with magnetic drum storage
US2986333A (en) * 1955-06-08 1961-05-30 Albert G Thomas Portable electronic computer
GB803734A (en) * 1955-11-16 1958-10-29 Powers Samas Account Mach Ltd Improvements in or relating to programme apparatus for electronic computing machines
US2957626A (en) * 1955-11-21 1960-10-25 Ibm High-speed electronic calculator
US3012722A (en) * 1956-08-31 1961-12-12 Minneanolis Honeywell Regulato Checking circutiry for data processing apparatus
US3037700A (en) * 1956-11-29 1962-06-05 Ibm Indexing registers for calculators
NL222794A (en:Method) * 1956-11-29
DE1160219B (de) * 1956-12-17 1963-12-27 Kienzle Apparate Gmbh Einrichtung an elektronischen Rechenmaschinen
US2965297A (en) * 1957-08-08 1960-12-20 Burroughs Corp Floating point arithmetic comparison circuit
NL229160A (en:Method) * 1958-06-30
US3061192A (en) * 1958-08-18 1962-10-30 Sylvania Electric Prod Data processing system
US3157862A (en) * 1959-09-30 1964-11-17 Honeywell Inc Controller for a computer apparatus
US3138702A (en) * 1959-10-02 1964-06-23 Tally Register Corp Automatic sequence controlled computer
US3112394A (en) * 1959-12-15 1963-11-26 Ncr Co Electronic computing machine
NL258945A (en:Method) * 1959-12-15 1900-01-01
US3214573A (en) * 1961-08-10 1965-10-26 Gen Time Corp Digital storage and readout device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2056403A (en) * 1932-01-06 1936-10-06 Ibm Accumulating device
US2176933A (en) * 1933-03-30 1939-10-24 Addressograph Multigraph Calculating and accounting machine
US2209434A (en) * 1935-02-27 1940-07-30 Ibm Record controlled machine
US2224774A (en) * 1936-06-24 1940-12-10 Ibm Tabulating machine
US2328610A (en) * 1938-06-10 1943-09-07 Ibm Multiplying and dividing machine
US2404739A (en) * 1940-07-18 1946-07-23 Ncr Co Calculating machine
US2359631A (en) * 1941-04-15 1944-10-03 Ibm Dividing machine
NL74373C (en:Method) * 1941-05-23 1900-01-01
US2404697A (en) * 1942-03-21 1946-07-23 Ncr Co Calculating device
US2442428A (en) * 1943-12-27 1948-06-01 Ncr Co Calculating device
US2516189A (en) * 1946-01-24 1950-07-25 Gen Motors Corp Precision aircraft tachometer
US2528100A (en) * 1946-05-31 1950-10-31 Bell Telephone Labor Inc Electronic calculator
BE476875A (en:Method) * 1946-10-22
US2502360A (en) * 1947-03-14 1950-03-28 Bell Telephone Labor Inc Electronic computer

Also Published As

Publication number Publication date
NL214607A (en:Method)
GB673759A (en) 1952-06-11
US2658681A (en) 1953-11-10
CH291687A (fr) 1953-06-30
FR1051750A (fr) 1954-01-19
BE490003A (en:Method)

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