CA976658A - Calculating apparatus - Google Patents

Calculating apparatus

Info

Publication number
CA976658A
CA976658A CA134,844A CA134844A CA976658A CA 976658 A CA976658 A CA 976658A CA 134844 A CA134844 A CA 134844A CA 976658 A CA976658 A CA 976658A
Authority
CA
Canada
Prior art keywords
calculating apparatus
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
CA134,844A
Other languages
English (en)
Other versions
CA134844S (en
Inventor
Katsumi Yamamura
Mitsuhiro Goto
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Application granted granted Critical
Publication of CA976658A publication Critical patent/CA976658A/en
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.
    • G06F7/4915—Multiplying; Dividing
    • 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
    • G06F7/49—Computations with a radix, other than binary, 8, 16 or decimal, e.g. ternary, negative or imaginary radices, mixed radix non-linear PCM
    • 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.
    • G06F7/4915—Multiplying; Dividing
    • G06F7/4917—Dividing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Complex Calculations (AREA)
  • Calculators And Similar Devices (AREA)
CA134,844A 1971-02-17 1972-02-16 Calculating apparatus Expired CA976658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP689171A JPS549009B1 (it) 1971-02-17 1971-02-17

Publications (1)

Publication Number Publication Date
CA976658A true CA976658A (en) 1975-10-21

Family

ID=11650837

Family Applications (1)

Application Number Title Priority Date Filing Date
CA134,844A Expired CA976658A (en) 1971-02-17 1972-02-16 Calculating apparatus

Country Status (10)

Country Link
US (1) US3809872A (it)
JP (1) JPS549009B1 (it)
CA (1) CA976658A (it)
CH (1) CH537063A (it)
DE (1) DE2207286A1 (it)
FR (1) FR2125976A5 (it)
GB (1) GB1370981A (it)
HK (1) HK42476A (it)
IT (1) IT948609B (it)
NL (1) NL7202097A (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH592916B5 (it) * 1974-08-19 1977-11-15 Ebauches Sa
US3973113A (en) * 1974-09-19 1976-08-03 Goldsamt Alan B Electronic calculator for feet-inch-fraction numerics
US3976867A (en) * 1975-12-10 1976-08-24 Rca Corporation Calculator timer with simple base-6 correction
US4065663A (en) * 1975-12-11 1977-12-27 Edwards Ii James T Rate/time computer and control device
US4172288A (en) * 1976-03-08 1979-10-23 Motorola, Inc. Binary or BCD adder with precorrected result
US4245328A (en) * 1979-01-03 1981-01-13 Honeywell Information Systems Inc. Binary coded decimal correction apparatus for use in an arithmetic unit of a data processing unit
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US4860233A (en) * 1985-10-22 1989-08-22 Pitchford Leonard J Dedicated foot/inch calculator
US5668989A (en) * 1996-09-18 1997-09-16 Mao; Decao Two-digit hybrid radix year numbers for year 2000 and beyond
WO1997036222A1 (en) * 1996-03-26 1997-10-02 Decao Mao Two-digit hybrid radix year numbers for year 2000 and beyond
TWI332174B (en) * 2006-11-16 2010-10-21 Univ Nat Changhua Education Chinese abacus adder
JP6639634B2 (ja) 2016-02-22 2020-02-05 国立大学法人大阪大学 立体的細胞組織の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872107A (en) * 1951-05-16 1959-02-03 Monroe Calculating Machine Electronic computer
GB913605A (en) * 1959-03-24 1962-12-19 Developments Ltd Comp Improvements in or relating to electronic calculating apparatus
GB924396A (en) * 1959-10-27 1963-04-24 Gen Electric Automatic data accumulator
US3159740A (en) * 1962-01-03 1964-12-01 Ibm Universal radix adder
US3621219A (en) * 1967-08-15 1971-11-16 Hayakawa Denki Kogyo Kk Arithmetic unit utilizing magnetic core matrix registers
US3584206A (en) * 1968-02-29 1971-06-08 Gen Electric Serial bcd adder/subtracter/complementer utilizing interlaced data
BE756676A (fr) * 1969-09-25 1971-03-25 Siemens Ag Montage pour la production d'un report de groupe inverse a l'aide de circuits ni

Also Published As

Publication number Publication date
IT948609B (it) 1973-06-11
FR2125976A5 (it) 1972-09-29
CH537063A (fr) 1973-05-15
US3809872A (en) 1974-05-07
GB1370981A (en) 1974-10-23
HK42476A (en) 1976-07-16
JPS549009B1 (it) 1979-04-20
DE2207286A1 (de) 1972-08-24
NL7202097A (it) 1972-08-21

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