DE3856058D1 - Insbesondere für Schüler der ersten Klassen bestimmte Rechenmaschine für pädagogische Zwecke - Google Patents

Insbesondere für Schüler der ersten Klassen bestimmte Rechenmaschine für pädagogische Zwecke

Info

Publication number
DE3856058D1
DE3856058D1 DE3856058T DE3856058T DE3856058D1 DE 3856058 D1 DE3856058 D1 DE 3856058D1 DE 3856058 T DE3856058 T DE 3856058T DE 3856058 T DE3856058 T DE 3856058T DE 3856058 D1 DE3856058 D1 DE 3856058D1
Authority
DE
Germany
Prior art keywords
pupils
grade
educational purposes
purposes especially
calculator
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 - Fee Related
Application number
DE3856058T
Other languages
English (en)
Other versions
DE3856058T2 (de
Inventor
Hubert Colombat
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE3856058D1 publication Critical patent/DE3856058D1/de
Application granted granted Critical
Publication of DE3856058T2 publication Critical patent/DE3856058T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating
    • G09B19/025—Counting; Calculating with electrically operated apparatus or devices

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Calculators And Similar Devices (AREA)
  • Electrically Operated Instructional Devices (AREA)
DE3856058T 1987-08-13 1988-08-11 Insbesondere für Schüler der ersten Klassen bestimmte Rechenmaschine für pädagogische Zwecke Expired - Fee Related DE3856058T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8711552A FR2619460B1 (fr) 1987-08-13 1987-08-13 Machine a calculer pedagogique destinee notamment aux eleves des classes primaires

Publications (2)

Publication Number Publication Date
DE3856058D1 true DE3856058D1 (de) 1997-12-11
DE3856058T2 DE3856058T2 (de) 1998-03-05

Family

ID=9354183

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3856058T Expired - Fee Related DE3856058T2 (de) 1987-08-13 1988-08-11 Insbesondere für Schüler der ersten Klassen bestimmte Rechenmaschine für pädagogische Zwecke

Country Status (4)

Country Link
US (1) US4954977A (de)
EP (1) EP0303548B1 (de)
DE (1) DE3856058T2 (de)
FR (1) FR2619460B1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02138653A (ja) * 1988-11-18 1990-05-28 Sharp Corp 卓上計算機
US5450095A (en) * 1992-09-30 1995-09-12 Casio Computer Co., Ltd. Fraction display apparatus capable of displaying fractions in normal form
US5519646A (en) * 1993-07-15 1996-05-21 Sharp Kabushiki Kaisha Calculator with display of processing for mulas as processing progresses
US5732001A (en) * 1994-09-13 1998-03-24 Sharp Kabushiki Kaisha Calculator with stepwise display of linear equations
GB0018850D0 (en) * 2000-08-02 2000-09-20 Samson Ilan Electronic calculators
US20090155752A1 (en) * 2002-02-26 2009-06-18 Charles Pillsbury Resor Non-right justification display system and method for displaying arithmetic equations
US20030180699A1 (en) * 2002-02-26 2003-09-25 Resor Charles P. Electronic learning aid for teaching arithmetic skills
TWI245532B (en) * 2003-12-05 2005-12-11 Mediatek Inc Hand-held electronic device
CN1300717C (zh) * 2003-12-25 2007-02-14 金宝电子工业股份有限公司 商值/余数分屏显示的方法及其装置
USD792513S1 (en) * 2010-07-09 2017-07-18 Dynamics Inc. Display with font
USD792511S1 (en) * 2010-07-09 2017-07-18 Dynamics Inc. Display with font
USD792512S1 (en) * 2010-07-09 2017-07-18 Dynamics Inc. Display with font
US10559224B2 (en) 2016-04-21 2020-02-11 Chris Steven Ternoey Digit card calculator
US10191886B2 (en) 2016-04-21 2019-01-29 Chris Steven Ternoey Gesture controlled calculator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787988A (en) * 1971-12-30 1974-01-29 Asahi Optical Co Ltd Method and electronic machine for teaching arithmetic computation
US4225932A (en) * 1976-01-20 1980-09-30 Canon Kabushiki Kaisha Instructional calculator
JPS55118173A (en) * 1979-03-03 1980-09-10 Canon Inc Electronic apparatus
JPS57147768A (en) * 1981-03-09 1982-09-11 Canon Inc Electronic calculator
JPS58213369A (ja) * 1982-06-05 1983-12-12 Casio Comput Co Ltd 検算機能付小型電子式計算機
US4488250A (en) * 1982-07-02 1984-12-11 Lipsey William S Hand-held calculator for performing calculations in feet, inches and fractions
GB2130782B (en) * 1982-10-04 1986-10-15 Mitsubishi Electric Corp Arithmetic teaching device
US4545022A (en) * 1983-02-10 1985-10-01 Hughins James T Fractional calculator

Also Published As

Publication number Publication date
FR2619460A1 (fr) 1989-02-17
FR2619460B1 (fr) 1994-03-25
EP0303548B1 (de) 1997-11-05
DE3856058T2 (de) 1998-03-05
EP0303548A1 (de) 1989-02-15
US4954977A (en) 1990-09-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee