AT175077B - Lehrmittel nach Art einer russischen Rechenmaschine - Google Patents

Lehrmittel nach Art einer russischen Rechenmaschine

Info

Publication number
AT175077B
AT175077B AT175077DA AT175077B AT 175077 B AT175077 B AT 175077B AT 175077D A AT175077D A AT 175077DA AT 175077 B AT175077 B AT 175077B
Authority
AT
Austria
Prior art keywords
russian
style
calculating machine
teaching aids
teaching
Prior art date
Application number
Other languages
English (en)
Inventor
Johann Schreder
Original Assignee
Johann Schreder
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 Johann Schreder filed Critical Johann Schreder
Application granted granted Critical
Publication of AT175077B publication Critical patent/AT175077B/de

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
AT175077D 1951-12-12 1951-12-12 Lehrmittel nach Art einer russischen Rechenmaschine AT175077B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT175077T 1951-12-12

Publications (1)

Publication Number Publication Date
AT175077B true AT175077B (de) 1953-06-10

Family

ID=3658165

Family Applications (1)

Application Number Title Priority Date Filing Date
AT175077D AT175077B (de) 1951-12-12 1951-12-12 Lehrmittel nach Art einer russischen Rechenmaschine

Country Status (1)

Country Link
AT (1) AT175077B (de)

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