IT963732B - Calcolatore per l addizione di due numeri decimali rappresentati in serie - Google Patents

Calcolatore per l addizione di due numeri decimali rappresentati in serie

Info

Publication number
IT963732B
IT963732B IT2788172A IT2788172A IT963732B IT 963732 B IT963732 B IT 963732B IT 2788172 A IT2788172 A IT 2788172A IT 2788172 A IT2788172 A IT 2788172A IT 963732 B IT963732 B IT 963732B
Authority
IT
Italy
Prior art keywords
calculator
series
addition
decimal numbers
numbers represented
Prior art date
Application number
IT2788172A
Other languages
English (en)
Italian (it)
Original Assignee
Diehl
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 Diehl filed Critical Diehl
Application granted granted Critical
Publication of IT963732B publication Critical patent/IT963732B/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.
    • G06F7/492—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination
    • G06F7/493—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination the representation being the natural binary coded representation, i.e. 8421-code
    • G06F7/494—Adding; Subtracting
    • G06F7/495—Adding; Subtracting in digit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2207/4919—Using excess-3 code, i.e. natural BCD + offset of 3, rendering the code symmetrical within the series of 16 possible 4 bit values

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)
  • Error Detection And Correction (AREA)
  • Complex Calculations (AREA)
IT2788172A 1971-08-07 1972-08-04 Calcolatore per l addizione di due numeri decimali rappresentati in serie IT963732B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712139753 DE2139753C3 (de) 1971-08-07 1971-08-07 Rechenwerk für die Addition von zwei seriell vorliegenden Dezimalzahlen

Publications (1)

Publication Number Publication Date
IT963732B true IT963732B (it) 1974-01-21

Family

ID=5816179

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2788172A IT963732B (it) 1971-08-07 1972-08-04 Calcolatore per l addizione di due numeri decimali rappresentati in serie

Country Status (4)

Country Link
DE (1) DE2139753C3 (Direct)
FR (1) FR2149824A5 (Direct)
GB (1) GB1371552A (Direct)
IT (1) IT963732B (Direct)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137381A (ja) * 1982-02-10 1983-08-15 Sony Corp デイジタルカラ−エンコ−ダ

Also Published As

Publication number Publication date
GB1371552A (en) 1974-10-23
DE2139753C3 (de) 1974-02-21
DE2139753B2 (de) 1973-07-19
FR2149824A5 (Direct) 1973-03-30
DE2139753A1 (de) 1973-02-22

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