ZA708435B - An electronic system for use in electronic calculators - Google Patents

An electronic system for use in electronic calculators

Info

Publication number
ZA708435B
ZA708435B ZA708435A ZA708435A ZA708435B ZA 708435 B ZA708435 B ZA 708435B ZA 708435 A ZA708435 A ZA 708435A ZA 708435 A ZA708435 A ZA 708435A ZA 708435 B ZA708435 B ZA 708435B
Authority
ZA
South Africa
Prior art keywords
electronic
calculators
electronic system
electronic calculators
Prior art date
Application number
ZA708435A
Other languages
English (en)
Inventor
I Hatano
A Nagano
K Yosimoto
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Publication of ZA708435B publication Critical patent/ZA708435B/xx

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.
    • G06F7/492—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; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computer Hardware Design (AREA)
  • Complex Calculations (AREA)
  • Calculators And Similar Devices (AREA)
ZA708435A 1969-12-15 1970-12-14 An electronic system for use in electronic calculators ZA708435B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44101159A JPS5036542B1 (fr) 1969-12-15 1969-12-15

Publications (1)

Publication Number Publication Date
ZA708435B true ZA708435B (en) 1971-09-29

Family

ID=14293252

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA708435A ZA708435B (en) 1969-12-15 1970-12-14 An electronic system for use in electronic calculators

Country Status (6)

Country Link
US (1) US3707622A (fr)
JP (1) JPS5036542B1 (fr)
DE (1) DE2060590A1 (fr)
FR (1) FR2073721A5 (fr)
GB (1) GB1274155A (fr)
ZA (1) ZA708435B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235264B2 (fr) * 1971-09-29 1977-09-08
GB1415322A (en) * 1971-12-21 1975-11-26 Omron Tateisi Electronics Co Data processing device
JPS5219746B2 (fr) * 1971-12-24 1977-05-30
FR2291542A1 (fr) * 1974-01-07 1976-06-11 Cii Operateur de caracteres travaillant en decimal binaire
GB1510588A (en) * 1975-06-02 1978-05-10 Polsky J Sequential computing system
CA2526467C (fr) 2003-05-20 2015-03-03 Kagutech Ltd. Commande de retroaction recursive de face arriere numerique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL227350A (fr) * 1957-04-30
US3249745A (en) * 1962-01-09 1966-05-03 Monroe Int Two-register calculator for performing multiplication and division using identical operational steps
US3551663A (en) * 1965-04-15 1970-12-29 Gen Electric Multiplication apparatus in a data processing system with a variable length multiplier
US3564226A (en) * 1966-12-27 1971-02-16 Digital Equipment Parallel binary processing system having minimal operational delay
US3564222A (en) * 1968-07-01 1971-02-16 Bendix Corp Digital function generator solving the equation f(x) {32 {0 mx {30 {0 b

Also Published As

Publication number Publication date
FR2073721A5 (fr) 1971-10-01
JPS5036542B1 (fr) 1975-11-26
DE2060590A1 (de) 1971-06-24
US3707622A (en) 1972-12-26
GB1274155A (en) 1972-05-17

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