HK67878A - Programmable calculator - Google Patents

Programmable calculator

Info

Publication number
HK67878A
HK67878A HK678/78A HK67878A HK67878A HK 67878 A HK67878 A HK 67878A HK 678/78 A HK678/78 A HK 678/78A HK 67878 A HK67878 A HK 67878A HK 67878 A HK67878 A HK 67878A
Authority
HK
Hong Kong
Prior art keywords
programmable calculator
calculator
programmable
Prior art date
Application number
HK678/78A
Other languages
English (en)
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
Publication of HK67878A publication Critical patent/HK67878A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/36—Preventing errors by testing or debugging software
    • G06F11/362—Software debugging
    • G06F11/3636—Software debugging by tracing the execution of the program
    • 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
    • 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
    • G06F15/0225—User interface arrangements, e.g. keyboard, display; Interfaces to other computer systems
    • G06F15/0233—User interface arrangements, e.g. keyboard, display; Interfaces to other computer systems with printing provisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Document Processing Apparatus (AREA)
  • Digital Computer Display Output (AREA)
  • Complex Calculations (AREA)
  • Debugging And Monitoring (AREA)
HK678/78A 1971-12-27 1978-11-23 Programmable calculator HK67878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00212581A US3839630A (en) 1971-12-27 1971-12-27 Programmable calculator employing algebraic language

Publications (1)

Publication Number Publication Date
HK67878A true HK67878A (en) 1978-12-01

Family

ID=22791628

Family Applications (1)

Application Number Title Priority Date Filing Date
HK678/78A HK67878A (en) 1971-12-27 1978-11-23 Programmable calculator

Country Status (10)

Country Link
US (16) US3839630A (is)
JP (1) JPS57538B2 (is)
CA (5) CA1054257A (is)
CH (1) CH588120A5 (is)
DE (4) DE2262725A1 (is)
FR (1) FR2169828B1 (is)
GB (4) GB1433120A (is)
HK (1) HK67878A (is)
IT (1) IT972350B (is)
ZA (1) ZA728874B (is)

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US6032860A (en) * 1997-08-05 2000-03-07 Ci-Matrix Uniform ultraviolet strobe illuminator and method of using same
US20030041078A1 (en) * 2001-08-24 2003-02-27 Child J. Douglas Interactive object transformation based expert system for symbolic mathematics on a handheld device
CN105608045A (zh) * 2016-01-26 2016-05-25 浪潮(北京)电子信息产业有限公司 一种可编程计算器
JP7430795B2 (ja) 2019-12-16 2024-02-13 華為技術有限公司 緊急呼方法及び装置、及び、システム
RU201465U1 (ru) * 2020-06-10 2020-12-16 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-Морского Флота "Военно-морская академия им. Адмирала Флота Советского Союза Н.Г. Кузнецова" Специализированное вычислительное устройство оператора информационного поста обеспечения навигационной безопасности
US12079562B1 (en) 2020-06-29 2024-09-03 Matthew R. Gamble Mathematical symbols keyboard for mathematical applications

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Also Published As

Publication number Publication date
CH588120A5 (is) 1977-05-31
IT972350B (it) 1974-05-20
US4158231A (en) 1979-06-12
US4158233A (en) 1979-06-12
GB1433119A (en) 1976-04-22
ZA728874B (en) 1974-07-31
US4159525A (en) 1979-06-26
US4158228A (en) 1979-06-12
US3839630A (en) 1974-10-01
GB1433120A (en) 1976-04-22
US4152769A (en) 1979-05-01
US4152773A (en) 1979-05-01
JPS57538B2 (is) 1982-01-07
DE2264897A1 (de) 1975-04-24
GB1433118A (en) 1976-04-22
JPS4873042A (is) 1973-10-02
CA1080853A (en) 1980-07-01
US4164039A (en) 1979-08-07
CA1080854A (en) 1980-07-01
CA1080852A (en) 1980-07-01
CA1054257A (en) 1979-05-08
DE2262725A1 (de) 1973-08-09
CA1080855A (en) 1980-07-01
GB1433117A (en) 1976-04-22
DE2264898A1 (de) 1975-07-24
US4156285A (en) 1979-05-22
US4156282A (en) 1979-05-22
US4152774A (en) 1979-05-01
DE2264896A1 (de) 1975-05-22
US4156917A (en) 1979-05-29
US4152770A (en) 1979-05-01
US4156918A (en) 1979-05-29
US4152771A (en) 1979-05-01
US4164019A (en) 1979-08-07
FR2169828A1 (is) 1973-09-14
FR2169828B1 (is) 1983-06-03

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