DE278320C - - Google Patents

Info

Publication number
DE278320C
DE278320C DENDAT278320D DE278320DA DE278320C DE 278320 C DE278320 C DE 278320C DE NDAT278320 D DENDAT278320 D DE NDAT278320D DE 278320D A DE278320D A DE 278320DA DE 278320 C DE278320 C DE 278320C
Authority
DE
Germany
Prior art keywords
arithmetic
slide
slides
symbols
embedded
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.)
Active
Application number
DENDAT278320D
Other languages
German (de)
English (en)
Publication of DE278320C publication Critical patent/DE278320C/de
Active 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

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)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
DENDAT278320D Active DE278320C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE278320C true DE278320C (enrdf_load_stackoverflow)

Family

ID=534330

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT278320D Active DE278320C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE278320C (enrdf_load_stackoverflow)

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