CA986226A - Adaptable programmed calculator - Google Patents

Adaptable programmed calculator

Info

Publication number
CA986226A
CA986226A CA181,402A CA181402A CA986226A CA 986226 A CA986226 A CA 986226A CA 181402 A CA181402 A CA 181402A CA 986226 A CA986226 A CA 986226A
Authority
CA
Canada
Prior art keywords
adaptable
programmed calculator
calculator
programmed
adaptable programmed
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
CA181,402A
Other languages
English (en)
Other versions
CA181402S (en
Inventor
David S. Maitland
Donald E. Morris
Louis T. Schulte
Freddie W. Wenninger
Douglas M. Clifford
Jindrich Kohoutek
John C. Keith
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.)
HP Inc
Original Assignee
Hewlett Packard 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 Hewlett Packard Co filed Critical Hewlett Packard Co
Priority to CA233,355A priority Critical patent/CA986228A/en
Priority to CA233,357A priority patent/CA1002665A/en
Priority to CA233,356A priority patent/CA986229A/en
Application granted granted Critical
Publication of CA986226A publication Critical patent/CA986226A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Collating Specific Patterns (AREA)
CA181,402A 1972-12-26 1973-09-18 Adaptable programmed calculator Expired CA986226A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA233,355A CA986228A (en) 1972-12-26 1975-08-11 Calculator with automatic decimal point positioning
CA233,357A CA1002665A (en) 1972-12-26 1975-08-11 Calculator with keyboard language programs stored in read-only memory
CA233,356A CA986229A (en) 1972-12-26 1975-08-11 Calculator with combinatorial per cent functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31845172A 1972-12-26 1972-12-26

Publications (1)

Publication Number Publication Date
CA986226A true CA986226A (en) 1976-03-23

Family

ID=23238242

Family Applications (1)

Application Number Title Priority Date Filing Date
CA181,402A Expired CA986226A (en) 1972-12-26 1973-09-18 Adaptable programmed calculator

Country Status (8)

Country Link
US (1) US4156921A (enExample)
JP (1) JPS4989454A (enExample)
CA (1) CA986226A (enExample)
DE (1) DE2363343A1 (enExample)
FR (1) FR2211694B1 (enExample)
GB (4) GB1453610A (enExample)
HK (3) HK68378A (enExample)
ZA (1) ZA739587B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5663660A (en) * 1979-10-26 1981-05-30 Canon Inc Computer
US4680725A (en) * 1983-01-21 1987-07-14 The Laitram Corporation Dual function decimal key
US4521021A (en) * 1983-02-01 1985-06-04 Dixon Claude E Video game table for airlines commercial vehicles or the like
JPH0664566B2 (ja) * 1985-05-16 1994-08-22 キヤノン株式会社 電子機器
EP0406874B1 (en) * 1989-07-06 1994-12-14 Toshiba Kikai Kabushiki Kaisha Control apparatus for an injection molding machine
JP2635473B2 (ja) * 1991-12-20 1997-07-30 キヤノン株式会社 電子機器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546676A (en) * 1963-10-29 1970-12-08 Singer Co Calculator
US3405392A (en) * 1965-04-30 1968-10-08 Sperry Rand Corp Electronic calculators
DE1965830C3 (de) * 1969-01-31 1975-08-21 Matsushita Electric Industrial Co. Ltd., Kadoma, Osaka (Japan) Vorrichtung zur Eingabe einer Dezimalzahl mit wählbarer Kommastelle in eine Rechenmaschine
US3588841A (en) * 1969-03-27 1971-06-28 Singer Co Programmable electronic calculator
US3654449A (en) * 1970-11-05 1972-04-04 Diversified Electronics Co Inc Calculator input means to bypass conventional keyboard input
US3760171A (en) * 1971-01-12 1973-09-18 Wang Laboratories Programmable calculators having display means and multiple memories
US3839630A (en) * 1971-12-27 1974-10-01 Hewlett Packard Co Programmable calculator employing algebraic language
US3971925A (en) * 1972-12-26 1976-07-27 Hewlett-Packard Company Adaptable programmed calculator having provision for plug-in keyboard and memory modules

Also Published As

Publication number Publication date
GB1453608A (en) 1976-10-27
JPS4989454A (enExample) 1974-08-27
FR2211694B1 (enExample) 1975-04-11
HK68578A (en) 1978-12-01
ZA739587B (en) 1974-10-30
GB1453607A (en) 1976-10-27
FR2211694A1 (enExample) 1974-07-19
DE2363343A1 (de) 1974-06-27
GB1453609A (en) 1976-10-27
US4156921A (en) 1979-05-29
HK68478A (en) 1978-12-01
HK68378A (en) 1978-12-01
GB1453610A (en) 1976-10-27

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