ES233239U - Aparato calculador para fines de ensenanza. - Google Patents

Aparato calculador para fines de ensenanza.

Info

Publication number
ES233239U
ES233239U ES1978233239U ES233239U ES233239U ES 233239 U ES233239 U ES 233239U ES 1978233239 U ES1978233239 U ES 1978233239U ES 233239 U ES233239 U ES 233239U ES 233239 U ES233239 U ES 233239U
Authority
ES
Spain
Prior art keywords
translation
machine
legally binding
google translate
teaching purposes
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.)
Granted
Application number
ES1978233239U
Other languages
English (en)
Other versions
ES233239Y (es
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.)
HELMUT LEISMANN GmbH
Original Assignee
HELMUT LEISMANN GmbH
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/de
Application filed by HELMUT LEISMANN GmbH filed Critical HELMUT LEISMANN GmbH
Publication of ES233239U publication Critical patent/ES233239U/es
Application granted granted Critical
Publication of ES233239Y publication Critical patent/ES233239Y/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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)

Abstract

Aparato calculador para fines de enseñanza, caracterizado por una placa inferior tetragonal para el alojamiento de una hoja numérica impresa con números, así como dos reglas desplazables que se cruzan en ángulo recto y que se extienden, respectivamente, por la longitud y la anchura del sector numérico, cuyo punto de intersección define en cada caso un número del sector numérico.
ES1978233239U 1977-01-12 1978-01-12 Aparato calculador para fines de ensenanza. Expired ES233239Y (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19777700712 DE7700712U (de) 1977-01-12 Rechenhilfe

Publications (2)

Publication Number Publication Date
ES233239U true ES233239U (es) 1978-03-16
ES233239Y ES233239Y (es) 1978-07-16

Family

ID=6674312

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1978233239U Expired ES233239Y (es) 1977-01-12 1978-01-12 Aparato calculador para fines de ensenanza.

Country Status (6)

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

Also Published As

Publication number Publication date
FR2377664A1 (fr) 1978-08-11
CH615774A5 (en) 1980-02-15
BE862861A (fr) 1978-05-02
NL7800345A (nl) 1978-07-14
ES233239Y (es) 1978-07-16
IT1109156B (it) 1985-12-16
IT7819193A0 (it) 1978-01-12

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