CH312449A - Accumulateur à changement de signe. - Google Patents

Accumulateur à changement de signe.

Info

Publication number
CH312449A
CH312449A CH312449DA CH312449A CH 312449 A CH312449 A CH 312449A CH 312449D A CH312449D A CH 312449DA CH 312449 A CH312449 A CH 312449A
Authority
CH
Switzerland
Prior art keywords
accumulator
sign
change
Prior art date
Application number
Other languages
English (en)
Inventor
Corporation Internati Machines
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of CH312449A publication Critical patent/CH312449A/fr

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
    • G06F7/4981—Adding; Subtracting

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)
  • Electron Sources, Ion Sources (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
CH312449D 1952-08-29 1953-08-27 Accumulateur à changement de signe. CH312449A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US306983A US2829830A (en) 1952-08-29 1952-08-29 Self complementing accumulating machine

Publications (1)

Publication Number Publication Date
CH312449A true CH312449A (fr) 1955-12-31

Family

ID=23187746

Family Applications (1)

Application Number Title Priority Date Filing Date
CH312449D CH312449A (fr) 1952-08-29 1953-08-27 Accumulateur à changement de signe.

Country Status (5)

Country Link
US (1) US2829830A (fr)
CH (1) CH312449A (fr)
FR (1) FR1086949A (fr)
GB (1) GB735750A (fr)
NL (1) NL180881B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919855A (en) * 1956-04-13 1960-01-05 Ncr Co Reversible electronic accumulators

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL81653C (fr) * 1949-04-14

Also Published As

Publication number Publication date
FR1086949A (fr) 1955-02-17
NL180881B (nl)
GB735750A (en) 1955-08-24
US2829830A (en) 1958-04-08

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