APARATO DE ENSENANZA ARITMETICA

Arithmetic teaching apparatus comprising an outer element (102) and an inner element (103), arranged in such a way that the outer element (102) and the inner element (103) can move longitudinally relative to each other, characterized in that the outer element (102) comprises a first series of marks...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Olabe Basogain, Juan Carlos, Olabe Basogain, Miguel Angel, Basogain Olabe, Francisco Javier
Format:	Patent
Sprache:	spa
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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Beschreibung
Zusammenfassung:	Arithmetic teaching apparatus comprising an outer element (102) and an inner element (103), arranged in such a way that the outer element (102) and the inner element (103) can move longitudinally relative to each other, characterized in that the outer element (102) comprises a first series of marks labeled with linguistic labels, and the inner element (103) comprises a second series of marks labeled with linguistic labels so that a mark of the outer element (102) can be aligned with a mark of the inner element (103) to represent a multiplication or division operation. (Machine-translation by Google Translate, not legally binding)