IT1109156B - EDUCATIONAL PURPOSE CALCULATOR - Google Patents

EDUCATIONAL PURPOSE CALCULATOR

Info

Publication number
IT1109156B
IT1109156B IT19193/78A IT1919378A IT1109156B IT 1109156 B IT1109156 B IT 1109156B IT 19193/78 A IT19193/78 A IT 19193/78A IT 1919378 A IT1919378 A IT 1919378A IT 1109156 B IT1109156 B IT 1109156B
Authority
IT
Italy
Prior art keywords
educational purpose
purpose calculator
calculator
educational
Prior art date
Application number
IT19193/78A
Other languages
Italian (it)
Other versions
IT7819193A0 (en
Original Assignee
Leismann Gmbh Helmut
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
Priority claimed from DE19777700712 external-priority patent/DE7700712U/en
Application filed by Leismann Gmbh Helmut filed Critical Leismann Gmbh Helmut
Publication of IT7819193A0 publication Critical patent/IT7819193A0/en
Application granted granted Critical
Publication of IT1109156B publication Critical patent/IT1109156B/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/14—Hand manipulated computing devices in which a straight or curved line has to be drawn from given points on one or more input scales to one or more points on a result scale
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Business, Economics & Management (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Toys (AREA)
IT19193/78A 1977-01-12 1978-01-12 EDUCATIONAL PURPOSE CALCULATOR IT1109156B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19777700712 DE7700712U (en) 1977-01-12 Calculation aid

Publications (2)

Publication Number Publication Date
IT7819193A0 IT7819193A0 (en) 1978-01-12
IT1109156B true IT1109156B (en) 1985-12-16

Family

ID=6674312

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19193/78A IT1109156B (en) 1977-01-12 1978-01-12 EDUCATIONAL PURPOSE CALCULATOR

Country Status (6)

Country Link
BE (1) BE862861A (en)
CH (1) CH615774A5 (en)
ES (1) ES233239Y (en)
FR (1) FR2377664A1 (en)
IT (1) IT1109156B (en)
NL (1) NL7800345A (en)

Also Published As

Publication number Publication date
CH615774A5 (en) 1980-02-15
NL7800345A (en) 1978-07-14
FR2377664A1 (en) 1978-08-11
ES233239Y (en) 1978-07-16
BE862861A (en) 1978-05-02
ES233239U (en) 1978-03-16
IT7819193A0 (en) 1978-01-12

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