DE234033C - - Google Patents

Info

Publication number
DE234033C
DE234033C DENDAT234033D DE234033DA DE234033C DE 234033 C DE234033 C DE 234033C DE NDAT234033 D DENDAT234033 D DE NDAT234033D DE 234033D A DE234033D A DE 234033DA DE 234033 C DE234033 C DE 234033C
Authority
DE
Germany
Prior art keywords
row
counting
rows
counters
decimal system
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
DENDAT234033D
Other languages
German (de)
English (en)
Publication of DE234033C publication Critical patent/DE234033C/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)
DENDAT234033D Active DE234033C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE234033C true DE234033C (enrdf_load_stackoverflow)

Family

ID=493923

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT234033D Active DE234033C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE234033C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764822A (en) * 1954-10-28 1956-10-02 Nina Gurevitch Calculating appliance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764822A (en) * 1954-10-28 1956-10-02 Nina Gurevitch Calculating appliance

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