AT294460B - Rechengerät - Google Patents

Rechengerät

Info

Publication number
AT294460B
AT294460B AT162569A AT162569A AT294460B AT 294460 B AT294460 B AT 294460B AT 162569 A AT162569 A AT 162569A AT 162569 A AT162569 A AT 162569A AT 294460 B AT294460 B AT 294460B
Authority
AT
Austria
Prior art keywords
computing device
computing
Prior art date
Application number
AT162569A
Other languages
English (en)
Original Assignee
Brees Plastics Ltd
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 Brees Plastics Ltd filed Critical Brees Plastics Ltd
Application granted granted Critical
Publication of AT294460B publication Critical patent/AT294460B/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C1/00—Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacuses or pocket adding devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Toys (AREA)
  • Medicinal Preparation (AREA)
AT162569A 1968-02-23 1969-02-18 Rechengerät AT294460B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8868/68A GB1235923A (en) 1968-02-23 1968-02-23 Calculating instrument

Publications (1)

Publication Number Publication Date
AT294460B true AT294460B (de) 1971-11-25

Family

ID=9860819

Family Applications (1)

Application Number Title Priority Date Filing Date
AT162569A AT294460B (de) 1968-02-23 1969-02-18 Rechengerät

Country Status (8)

Country Link
US (1) US3526973A (de)
AT (1) AT294460B (de)
BE (1) BE728662A (de)
CH (1) CH482256A (de)
DE (1) DE1908563A1 (de)
FR (1) FR2002480A1 (de)
GB (1) GB1235923A (de)
IE (1) IE32966B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937929A (en) * 1973-06-18 1976-02-10 Peter Knauer Method for identifying selected inventory items and reading the sum of their values
US3871114A (en) * 1974-05-17 1975-03-18 Joseph Honig Device for teaching the addition of fractions
US4354842A (en) * 1981-05-28 1982-10-19 Baldwin, Stoddard & Co. System for utilizing interactive blocks to teach arithmetic
GB2227862B (en) * 1988-12-14 1993-06-02 Martin Gaskell An operations processor
US5545042A (en) * 1992-10-20 1996-08-13 Barrows; Irvin R. Learning board in combination with solution lists

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899757A (en) * 1959-08-18 Add-up block toy for teaching arithmetic
US1183570A (en) * 1915-11-02 1916-05-16 John Kneeshaw Educational appliance.
US1594376A (en) * 1924-05-24 1926-08-03 Passmore Arthur Augustine Device for teaching numbers in combination, analysis, factors, and multiples
US2486260A (en) * 1945-10-31 1949-10-25 Clifford C Church Educational appliance
US3410002A (en) * 1966-10-24 1968-11-12 Eric H. Mulholland Educational aid for teaching mathematics

Also Published As

Publication number Publication date
US3526973A (en) 1970-09-08
GB1235923A (en) 1971-06-16
BE728662A (de) 1969-08-01
IE32966L (en) 1969-08-23
IE32966B1 (en) 1974-02-06
CH482256A (de) 1969-11-30
FR2002480A1 (de) 1969-10-17
DE1908563A1 (de) 1970-08-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee