FR1167986A - Perfectionnements aux machines à calculer - Google Patents

Perfectionnements aux machines à calculer

Info

Publication number
FR1167986A
FR1167986A FR1167986DA FR1167986A FR 1167986 A FR1167986 A FR 1167986A FR 1167986D A FR1167986D A FR 1167986DA FR 1167986 A FR1167986 A FR 1167986A
Authority
FR
France
Prior art keywords
calculating machines
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
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.)
Powers Samas Accounting Machines Ltd
Original Assignee
Powers Samas Accounting Machines Ltd
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 Powers Samas Accounting Machines Ltd filed Critical Powers Samas Accounting Machines Ltd
Application granted granted Critical
Publication of FR1167986A publication Critical patent/FR1167986A/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
    • G06F7/48—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.
    • G06F7/4912—Adding; Subtracting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/491—Indexing scheme relating to groups G06F7/491 - G06F7/4917
    • G06F2207/4913—Sterling system, i.e. mixed radix with digit weights of 10-20-12
FR1167986D 1955-10-25 1956-10-24 Perfectionnements aux machines à calculer Expired FR1167986A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30550/55A GB799584A (en) 1955-10-25 1955-10-25 Improvements in or relating to electronic computing apparatus

Publications (1)

Publication Number Publication Date
FR1167986A true FR1167986A (fr) 1958-12-03

Family

ID=10309392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1167986D Expired FR1167986A (fr) 1955-10-25 1956-10-24 Perfectionnements aux machines à calculer

Country Status (3)

Country Link
US (1) US3004706A (fr)
FR (1) FR1167986A (fr)
GB (1) GB799584A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB924396A (en) * 1959-10-27 1963-04-24 Gen Electric Automatic data accumulator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL143142B (nl) * 1947-02-26 Ford Motor Co Werkwijze en inrichting voor het bekleden van een elektrisch geleidend voorwerp, alsmede voorwerp bekleed volgens deze werkwijze of met behulp van deze inrichting.
GB717114A (en) * 1950-01-04 1954-10-20 Nat Res Dev Improvements in or relating to digital computers
US2697549A (en) * 1950-03-18 1954-12-21 Gen Electric Electronic multiradix counter of matrix type
GB678427A (en) * 1951-03-09 1952-09-03 British Tabulating Mach Co Ltd Improvements in electronic adding devices
US2787416A (en) * 1951-10-23 1957-04-02 Hughes Aircraft Co Electrical calculating machines
GB738605A (en) * 1953-02-05 1955-10-19 British Tabulating Mach Co Ltd Improvements in or relating to electronic adding circuits
GB767694A (en) * 1954-06-14 1957-02-06 British Tabulating Mach Co Ltd Improvements in or relating to electronic summing devices

Also Published As

Publication number Publication date
US3004706A (en) 1961-10-17
GB799584A (en) 1958-08-13

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