FR402388A - Apparatus to facilitate teaching of the decimal number system - Google Patents

Apparatus to facilitate teaching of the decimal number system

Info

Publication number
FR402388A
FR402388A FR402388DA FR402388A FR 402388 A FR402388 A FR 402388A FR 402388D A FR402388D A FR 402388DA FR 402388 A FR402388 A FR 402388A
Authority
FR
France
Prior art keywords
decimal number
number system
facilitate teaching
teaching
facilitate
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Achille Molinelli
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.)
ACHILLE MOLINELLI
Original Assignee
ACHILLE MOLINELLI
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 ACHILLE MOLINELLI filed Critical ACHILLE MOLINELLI
Application granted granted Critical
Publication of FR402388A publication Critical patent/FR402388A/en
Expired 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)
FR402388D 1908-04-23 1909-04-23 Apparatus to facilitate teaching of the decimal number system Expired FR402388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT402388X 1908-04-23

Publications (1)

Publication Number Publication Date
FR402388A true FR402388A (en) 1909-10-06

Family

ID=1447114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR402388D Expired FR402388A (en) 1908-04-23 1909-04-23 Apparatus to facilitate teaching of the decimal number system

Country Status (1)

Country Link
FR (1) FR402388A (en)

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