KR890005459U - Math teaching tools - Google Patents

Math teaching tools

Info

Publication number
KR890005459U
KR890005459U KR2019870013197U KR870013197U KR890005459U KR 890005459 U KR890005459 U KR 890005459U KR 2019870013197 U KR2019870013197 U KR 2019870013197U KR 870013197 U KR870013197 U KR 870013197U KR 890005459 U KR890005459 U KR 890005459U
Authority
KR
South Korea
Prior art keywords
teaching tools
math teaching
math
tools
teaching
Prior art date
Application number
KR2019870013197U
Other languages
Korean (ko)
Other versions
KR900002864Y1 (en
Inventor
박형순
Original Assignee
박형순
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 박형순 filed Critical 박형순
Priority to KR2019870013197U priority Critical patent/KR900002864Y1/en
Publication of KR890005459U publication Critical patent/KR890005459U/en
Application granted granted Critical
Publication of KR900002864Y1 publication Critical patent/KR900002864Y1/en

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
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Geometry (AREA)
  • Business, Economics & Management (AREA)
  • Algebra (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)
KR2019870013197U 1987-08-06 1987-08-06 Teaching equipment for mathematics KR900002864Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870013197U KR900002864Y1 (en) 1987-08-06 1987-08-06 Teaching equipment for mathematics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870013197U KR900002864Y1 (en) 1987-08-06 1987-08-06 Teaching equipment for mathematics

Publications (2)

Publication Number Publication Date
KR890005459U true KR890005459U (en) 1989-04-20
KR900002864Y1 KR900002864Y1 (en) 1990-04-06

Family

ID=19266232

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870013197U KR900002864Y1 (en) 1987-08-06 1987-08-06 Teaching equipment for mathematics

Country Status (1)

Country Link
KR (1) KR900002864Y1 (en)

Also Published As

Publication number Publication date
KR900002864Y1 (en) 1990-04-06

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee